If two planes cross another , then their intersection is two lines

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

M? aoc=96 ? space, m, angle, a, o, c, equals, 96, degree \qquad m \angle boc = 8x - 67^\circm? boc=8x? 67 ? space, m, angle, b, o, c, equals, 8, x, minus, 67, degree \qquad m \angle aob = 9x - 75^\circm? aob=9x? 75 ? space, m, angle, a, o, b, equals, 9, x, minus, 75, degree find m\angle bocm? bocm, angle, b, o, c: