21. ACT Test One hundred students in your school took the ACT test. Assuming that a normal distribution existed after the results, bow many of the students scored within one standard deviation of the mean? (Give the percent and the number.)

4

step-by-step explanation:

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:

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice