Mario scored 82 on his history final. the class mean was 78 with a standard deviation of 3 points. he scored 72 on his biology final and the mean grade for that class was 65 with a standard deviation of 5 points. which grade was better as compared with the class mean?

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

step-by-step explanation:

24/56=hx^7

step-by-step explanation:

168

step-by-step explanation:

i am pretty sure that the answer is 168