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J and Y are walking laps around a park. J completes a lap in 10 minutes, then rests 1 minute, then continues. Y completes a lap in 13 minutes, then rests 2 minutes, then continues. They begin walking in the same direction. How long before they meet each other? Helppp =((

I'm trying to finish off Maths hw now because my teacher is checking tomorrow, and I totally forgot about it :( Can you help me with a few questions? I keep getting the answer wrong but I double checked my answer like a millionnn times but I still keep getting it wrong! Like, even the easiest...

We're doing integration now at school and our teacher gave us a question that I can't get. He asked us to integrate y= root (1-x^2) from -1 to 1. How do I do thisss because he only taught us how to integrate things like 3x^2 or (1+3x)^2. I asked him if the integral was like the normal one...