A function f is periodic of period 10. If f (9) = 10, f (10) = 13, and f (-1) = 35, find f (40).

f (40) =

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A triangle has an area of 45 square units. Its height is 10 units. What is the length of its base

4 times what equals 36

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At a concert 20% of the people are wearing black dresses or suits, 1/4 are wearing navy, 0.35 are wearing brown, and the rest are wearing a variety of colors.

Solve the inequality 7a + 13 < 48. A. a = 5 B. a ≤ 5 C. a 5