Jara estimated her new shoes would cost $475. They actually costed $300 actually attended. What is the relative error?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.