Adie is rolled twice. the value of both rolls are added together. what is the probability of the sum being greater than 7

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

What is the value of f(x) = 2.2 for f(-2)?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'