If f(x) = 21 + 3 sqrt(x+12) and g(x) = 2x2 + 5, compute the composition (f ∘ g)(4).

(f ∘ g)(4) =

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

Which table represents points on the graph of h(x) = 3√-x+2?

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.