Which expression is equivalent to (r^-7)^6

a. r^42

b. 1/r^42

c. -7r^6

d. 1/r

Drag the files to the correct boxes to complete the pairs. match each percent amount to its correct value 15% of 30 30% of 45 60% of 7 23% of 20 2019 edmentum. all nghts reserved

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)