Find the indicated sum.

A. 42
B. 80
C. 105
D. 54


Answer: B

Mathematics

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Answer the problem with a sentence containing the requested measurement.The string on a balloon is 66 millimeters long. Express this number in centimeters.

A. The string on a balloon is 0.7 centimeter long. B. The string on a balloon is 6600 centimeters long. C. The string on a balloon is 660 centimeters long. D. The string on a balloon is 6.6 centimeters long.

Mathematics

Determine whether the quantity is a variable or a constant.The number of meters in five kilometers

A. constant B. variable

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Solve the problem.Company X sold 400 microwaves at $57.49 each and 40 refrigerators at $1150.21 each to an appliance retailer. Shipping and handling charges totaled $3776.66. Insurance on the order was $541.74. Complete the invoice below.

A.

B.

C.

D.

Mathematics

Solve the logarithmic equation.log15(x + 30) = 3 - log15x

A. {-45} B. {75} C. {-75} D. {45}

Mathematics