Factor the polynomial completely.5r3 - 320
A. 5(r - 20)(r2 + 20r + 80)
B. 5(r - 4)(r2 - 4r + 16)
C. 5(r - 4)(r2 + 4r + 16)
D. 5(r + 4)(r2 - 4r + 16)
Answer: C
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Solve the problem. Write the answer in lowest terms and as a whole or mixed number where possible.Find the area of a rectangular table top having a length of 4 feet and a width of 
feet.
A. 
ft2
B. 3
ft2
C. 10 ft2
D. 7 ft2
Estimate the product or quotient by first rounding each decimal to the indicated place value.54.81 × 33.13
round each to the nearest ten
A. 150 B. 1500 C. 15 D. 1510
Find the nth, or general, term for the geometric sequence.
, 
, 
, ...
A. an = 
+ 9(n - 1)
B. an = 
(9)n-1
C. an = 
n-1+ 2
D. an = 
+ 2(n - 1)
Solve the equation for solutions in the interval [0°, 360°).sin 2? + sin ? = 0
A. {105°, 165°, 285°, 345°} B. {30°, 90°, 150°, 270°} C. {0°, 120°, 180°, 240°} D. {15°, 165°, 195°, 345°}