Convert the units.7 yd =  in.

A. 21
B. 0.19
C. 84
D. 252


Answer: D

Mathematics

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Find the measure of the unknown angles. Figures are not drawn to scale.Find the measure of ?x.

A. 28° B. 18° C. 162° D. 108°

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Solve the problem.An oil well off the Gulf Coast is leaking, with the leak spreading oil over the surface of the gulf as a circle. At any time t, in minutes, after the beginning of the leak, the radius of the oil slick on the surface is  Find the area A of the oil slick as a function of time.

A. A(r(t)) = 4t2 B. A(r(t)) = 2?t2 C. A(r(t)) = 4?t D. A(r(t)) = 4?t2

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Factor the trinomial.s2 + 5s + 6

A. (s + 2)(s + 3) B. (s - 2)(s - 3) C. (s + 6)(s + 5) D. (s + 6)(s - 1)

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