Select the expression that is equivalent to 12n+8 a. 11n-4+n+12
b. 3n+4+3n+4
c. 10n+2+5+3n

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.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?