Solve the equation.
= y
A. {2}
B. ?
C. {5
D. {5, -3}
Answer: C
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Simplify the expression.
?
?
A. - 6 B. 6 C. 4 D. 10 E. - 4
Use Cramer's Rule (if applicable) to solve the system of equations.
A. {(2, 8)} B. {(-2, -8)} C. {(8, 2)} D. {(-8, 2)}
Solve the problem.Gillian has $10,000 to invest in a mutual fund. The average annual rate of return for the past five years was 12.25%. Assuming this rate, determine how long it will take for her investment to double.
Fill in the blank(s) with the appropriate word(s).
Solve the problem. Round your answer to the nearest tenth, if necessary.Sue rowed her boat across and back Lake Bend in 3 hr. If her rate rowing back was 2 mph less than the rate rowing across, and if the distance each way was 7 mi, find her rate rowing across.
A. 1.5 mph B. 5.5 mph C. 3.7 mph D. 5.9 mph