Bob frosted 4 and 1/2 cakes in 3/4 of an hour At what rate, in cakes per hour, did he frost the cakes?

The graph is supposed to show f(x) = 3 sin (x/4+1) - 1/2. which of the following are correctly represented in the graph? select two of the following that apply.

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)

Someone me! will award brainliest if u explain and answer!