Find the sum without the use of a number line.11 + (-11)

A. 0
B. 1
C. 22
D. -22


Answer: A

Mathematics

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Solve the problem.A rectangular sea aquarium observation window is 16 ft wide and 6 ft high. What is the force on this window if the upper edge is 3 ft below the surface of the water. The density of seawater is 64 lb/ft3.

A. 73,700 lb B. 36,900 lb C. 23,000 lb D. 41,500 lb

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Multiply and simplify.5x ? 4x

A. 60x2m3 B. 20x2m C. 60x2m D. 60x2

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Solve the problem.Calculate the number of shares purchased with a $8000 investment in a no load mutual fund with a net asset value of $8.12. Round to three decimal places.

A. 98.522 shares B. 985.222 shares C. 1015.000 shares D. 6496.000 shares

Mathematics

Factor, using the given factor. Assume all variables represent positive real numbers.(q + 2)-3/11 + (q + 2)-1/11 + (q + 2)1/11; (q + 2)-3/11

A. (q + 2)-3/11[1 + (q + 2)-2/11 + (q + 2) -4/11] B. (q + 2)-3/11[1 + (q + 2)4/11 + (q + 2)6/11] C. (q + 2)-3/11[1 + (q + 2)1/11 + (q + 2)3/11] D. (q + 2)-3/11[1 + (q + 2)2/11 + (q + 2)4/11]

Mathematics