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    Hidden unemployment and unemployment benefits

    Do the hidden unemployed receive unemployment benefits? They aren't actually counted as unemployed, but does that mean they don't receive these benefits?
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    ATAR estimate :)

    Hey guys, can I get a rough idea as to what ATAR I might get? My ranks are: Adv. English - ~65-70/121 Economics - 2/50 Chemistry - ~15/88 3U Maths - 8/100+ 4U Maths - 1/43 School rank is in the mid 20s. Ideally, I'd be looking for around 97+, but i only really need around 95...
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    Probability Question

    At the NSW State elections, a pre-poll survey found that 50% of the electorate were in favour of the sitting member, 40% were opposed and 10% were undecided. If three people are selected at random, find (giving your answers as percentages to the nearest whole number): (i) the probability...
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    Environmental Sustainability Policies

    Hey everyone, I'm just wondering whether policies such as taxes on goods or services that are environmentally unsustainable or subsidies on more environmentally-friendly goods are microeconomic policies or macroeconomic policies. I'm thinking that they're microeconomic policies, but if so, what...
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    Rates of Change

    The volume of a sphere is increasing at a rate numerically equal to its surface area at that instant. Show that dr/dt = 1 I thought this would be quite straightforward, and it might, but I don't really have any idea as to where to start :/
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    Quick question

    a polynomial P(x) has equation P(x) = ax^3 + bx^2 + cx + d where a, b, c and d are real I. the polynomial must cut the x-axis at least once II. if P(alpha) = 0, then P(conj. alpha)=0 are both these statements correct?
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    discriminant

    for what values of p does the equation px^2 - 4x + p = 0 have real roots? the answer is -2<=p<=2, but i was wondering, can p=0? because it just asks for real roots, and if p=0 then x=0, but does that still count?
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    differentiability

    Hey guys, Draw a sketch of a possible curve that is differentiable in the domain -a<=x<=a How would you sketch this, if the endpoints of a curve aren't differentiable? Would you have a continuous curve and then just mark the points x=a and x=-a, and make the part in between those values...
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    ATAR estimate

    hey, these are my yr 11 ranks, and i know things can change, but i wanna know what kind of atar i'd get if these were the ranks i got in yr 12 english advanced - 93/166 maths extension 1 - 2/127 maths 2 unit - my school doesn't have 2 unit ranks for people doing 3 unit in yr 11 but i'm...
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    Conics help needed

    hey all i've just started 4unit this week and so far we've done some work on ellipses and hyperbolas, but there's this question that i have trouble with: find the equations of each of the following conics. sketch each curve. a) focus (3,5), directrix 2x+y-4=0, eccentricity 1/3 b) focus...
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    Destructive/Non-destructive chemical reactions

    hey i'm just wondering, what's the difference between destructive and non-destructive chemical reactions, and would the dissolution of ammonium nitrate in water be destructive or non-destructive?
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