If f(x)=3^2-1 and g(x)=x+2 find (f+g)(x)

Adoughnut shop charges $0.50 for each doughnut and $1 for a carryout box. shirley has $10 to spend. which inequality can be used to find d, the number of doughnuts she could have bought if she also wants them in one carryout box?

On average, a continental shelf drops 0.12 m per 100 m. at 22.5 m from the shoreline, how much distance has the continental shelf dropped?

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), find r' if c c' = 0.25 and d = 6.0. a. 6 b. 12 c. 18 d. 24