7 . In right triangle ABC, ∠C is a right angle, AB = 15, and BC = 7. What is
the measure of ∠B, to the nearest degree?
(A) 25°
(B) 28°
(C) 62°
(D) 65°
(E) 82°8 . If
(A) − 45
(B) −15
(C) 1
(D) 15
(E) 459 . If f(x) = x + 3 and g(x) =
f(5x), g(2) =(A) 1
(B) 5
(C) 10
(D) 13
(E) 23