Solve the problem. Give an exact answer and an approximation to the nearest tenth.The diagram below shows a rope connecting the top of a pole to the ground. How tall is the pole?
A. 
yd ? 31.8 yd
B. 
yd ? 23.6 yd
C. 
yd ? 3.6 yd
D. 
yd = 279.5 yd
Answer: B
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Decide whether the given statement is always true or not always true.A ? (B ? C) = (A ? B) ? C
A. Not always true B. Always true
Use a power regression model for the following data to estimate 
. Round your answer to two decimal places.
x 2.03 3.38 4 6.49 7.6 y 8.15 4.55 4.62 3.92 4.17?
A. 3.30 B. 0.10 C. -0.63 D. 3.71
Write an equivalent expression. Use an associative law.(5x)y
A. (x5)y B. 5(xy) C. 5x + 5y D. (5y)x
Find the complete factored form of the polynomial f(x) that satisfies the given conditions.Degree 3, leading coefficient 4, zeros at -4, 4i, and -4i
A. f(x) = 4(x + 4)(x2 + 16) B. f(x) = 4(x - 4)(x + 4i)(x - 4i) C. f(x) = 4(x + 4)(x + 4i)(x - 4i) D. f(x) = 4(x - 4)(x2 + 16)