Evaluate the expression, (g◦f)(3), given the following functions.
f(x)=x+2 and g(x)=x

Find the domain and range of the following function f(x) = 51x - 21+ 4

Jim had 15 minutes to do 5 laps around his school what would his time be

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.