Use Cramer's rule to solve the linear system.
A. x = 3, y = -2
B. x = 2, y = -3
C. x = -2, y = -3
D. x = -3, y = 2
Answer: D
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 2 tan t, y = 3 sec t; -?/2 ? t ? ?/2
A. 
B. 
C. 
D. 
Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.4 B. 5 C. 0.1 D. 0.2
Solve the problem.To estimate the ideal minimum weight of a woman in pounds multiply her height in inches by 4 and subtract 130. Let W = the ideal minimum weight and h = height. W is a linear function of h. Find the ideal minimum weight of a woman whose height is 62 inches.
A. 118 lb B. 378 lb C. 120 lb D. 130 lb
Find the quotient. If the quotient is a repeating decimal, write the answer with a bar over the repeating digit or digits.3.12 ÷ 1.2
A. 0.26 B. 3.6 C. 26 D. 2.6