Find the area of the rectangle.
18 yd
A. 1934 sq yd
B. 1620 sq yd
C. 126 sq yd
D. 1944 sq yd
Answer: D
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Solve the inequality. Express your answer using interval notation.12 < 3x ? 21
A. [-7, -4)
B. (4, 7]
C. (-7, -4]
D. [4, 7)
Solve the problem.A population of birds in a small county can be modeled by the polynomial 
where x = 1 corresponds to July 1, x = 2 to July 2, and so on. For what days does f estimate the population to be 8550?
A. July 11th B. July 13th C. July 14th D. July 12th
Solve the problem.A plane flies 480 miles with the wind and 320 miles against the wind in the same length of time. If the speed of the wind is 25 mph, what is the speed of the plane in still air?
A. 130 mph B. 125 mph C. 150 mph D. 115 mph
Factor; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent.
?
A. ?
B. ?
C. ?
D. ?
E. ?