Evaluate as requested.Evaluate the polynomial 2x2y - xz3 for x = -3, y= 1, and z = 3.
A. 18
B. -63
C. 117
D. 99
Answer: D
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Find the standard equation of the circle that satisfies the conditions.Center (8, 3), radius 11
A. (x + 3)2 + (y + 8)2 = 11 B. (x + 8)2 + (y + 3)2 = 121 C. (x - 3)2 + (y - 8)2 = 11 D. (x - 8)2 + (y - 3)2 = 121
Write a formula for the general term (the nth term) of the geometric sequence.8, 24, 72, 216, 648, . . .
A. an = 8(3)n B. an = 8(3n) C. an = a1 + 3n D. an = 8(3)n - 1
Use the summation properties and rules to evaluate the series. The following rules may be needed: 
. 
A. - 18 B. - 90 C. - 60 D. - 30
Solve.Dominique buys $13.50 worth of gasoline for her car. If the gas station charges $1.399 per gallon, how many gallons did she get? (Round to the nearest tenth.)
A. 10.4 gal B. 1.0 gal C. 9.6 gal D. 96.5 gal