Solve the problem.Suppose that the width of a rectangle is 5m and its length is 15m. Write an algebraic expression for the area of the rectangle in terms of m.
A. 75m2
B. 75m
C. 150m
D. 20m
Answer: A
Mathematics
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True or false?When using a truth table, the statement ~q ? p is equivalent to ~q ? p.
A. True B. False
Mathematics
Solve the right triangle. Use the rules for significant digits.
A. A = 34°, a ? 17, b ? 7.7 B. A = 24°, a ? 7.7, b ? 17 C. A = 34°, a ? 7.7, b ? 17 D. A = 24°, a ? 17, b ? 7.7
Mathematics
Solve using matrices.Walt made an extra $7000 last year from a part-time job. He invested part of the money at 9% and the rest at 8%. He made a total of $600 in interest. How much was invested at 8%?
A. $4000 B. $3000 C. $5000 D. $3500
Mathematics
Rationalize the numerator. Assume that all radicands represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics