Add the polynomials. Express your answer in standard form.(5x2 - 5x - 2) + (7x2 - 5x + 7)
A. 12x2 - 10x + 5
B. 12x2 - 5x + 5
C. 12x4 - 10x2 + 5
D. 35x2 - 5x + 5
Answer: A
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Solve the equation.(x + 3)(x + 8) = 0
A. 3, 8 B. 3, -8 C. -3, 8 D. -3, -8
Find the sum.2, 4, 8, 16, 32
A. 64 B. 62 C. 60 D. 72
Convert as indicated.680 ml to centiliters
A. 6.8 cL B. 6800 cL C. 68 cL D. 68,000 cL
A cylindrical gasoline tank is placed so that the axis of the cylinder is horizontal. Find the fluid force on a circular end of the tank if the tank is full, assuming that the diameter is 6 feet and the gasoline weighs 42 pounds per cubic foot. (Evaluate one integral by a geometric formula and the other by observing that the integrand is an odd function.) Round your answer to two decimal places. ?
A. 3,732.21 lb B. 3,562.57 lb C. 1,781.28 lb D. 28,500.53 lb E. 3,392.92 lb