Solve the problem. Use the approximate APR formula to estimate the APR, and round rates to the nearest tenth of a percent.Maria Perez bought a washer-dryer combination on sale for $450, charging it to her card and agreeing to pay $40.51 per month for one year. Find the approximate annual percentage rate for this loan.
A. 14%
B. 16%
C. 15.8%
D. 14.8%
Answer: D
Mathematics
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Solve.Use the approximations ln 4 ? 1.386 and ln 5 ? 1.609 together with the properties of natural logarithms to calculate an approximation to ln 
.
A. 0.805 B. 0.693 C. 1.268 D. 2.589
Mathematics
Graph the pair of parametric equations with the aid of a graphing calculator.x = 6 cos t + 2 cos 3t, y = 6 sin t - 2 sin3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Simplify.(3x5)4
A. 81x20 B. 3x9 C. 81x5 D. 81x19
Mathematics
Convert to radical notation and simplify.165/4
A. 128 B. 32 C. 512 D. 256
Mathematics