Use a calculator to perform the indicated operation.14.56 + 50.5(23.9) - 3.65 ÷ 1.98 (round to two decimal places)
A. -1190.55
B. 1553.09
C. 1219.67
D. 615.08
Answer: C
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Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 2 ? x ? 2, about the x-axis (dimensions are in feet). How many cubic feet of fuel will the tank hold to the nearest cubic foot?
A. 3 B. 8 C. 2 D. 7
Simplify the expression. First use the distributive property to remove any parentheses.7(x - 9)
A. 7x - 16 B. 7x + 63 C. 7x - 9 D. 7x - 63
Solve by any method. If there is not one solution to a system, state why.0.2x - 0.6y = 2.60.8x - 0.6y = 3.2
A. (1, -4) B. (1, -3) C. (0, -3) D. (-1, 4)
Find an equation of the line containing the given pair of points(-2, 10) and (-2, -10)
A. y = 10 B. -10x + 10y = 0 C. 10x - 10y = 0 D. x = -2