State the name of the property illustrated.4 ? (9 ? 18) = 4 ? (18 ? 9)
A. Identity property of multiplication
B. Distributive property of multiplication over addition
C. Commutative property of multiplication
D. Associative property of multiplication
Answer: C
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Solve the problem. Use an annual percentage rate table if necessary.Sarah Yost took out a 48-month fixed installment loan of $17,000 to open a gift shop. She began making monthly payments of $423.05. Sarah's business does better than expected and instead of making her 12th payment, Sarah decides to repay her loan in full. How much interest will Sarah save (use the actuarial method)?
A. $2205.29 B. $1907.97 C. $1926.35 D. $1872.84
Simplify the following by combining like terms.-7r + 12r4 - 7r4 + 10r
A. 8r B. 8r4 C. 3r + 5r4 D. cannot be simplified
Determine the area of the triangle. If necessary, round the answer to two decimal places.A = 83°, b = 9, 
A. 3.29 B. 26.80 C. 27.01 D. 53.60
Solve the equation. Round to the nearest thousandth.4x = 9
A. {1.585} B. {0.631} C. {0.811} D. {2.250}