Simplify using the power rule of exponents and the rule for raising a product to a power.(-5xy7)2

A. -25x14y14
B. 25xy9
C. 25x2y14
D. -25x2y14


Answer: C

Mathematics

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A.

B.

C.

D.

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Factor the polynomial completely. - 

A. 2
B. 2
C.
D. Prime

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Solve the problem.The average weight of a Sample X is 15 times the average weight of a sack of Sample Y. If the average weight of Sample X is 409 pounds, find the weight of the average Sample Y.

A. 6126 pounds B. 6135 pounds C. 735 pounds D. 6144 pounds

Mathematics

The following chart gives the average monthly temperatures in Fahrenheit for two cities in Alaska. Use the chart to solve. Round to the nearest tenth of a degree.What is the average temperature in Barrow from October through March?

A. 0.3°F B. -9.5°F C. -11.4°F D. -6.8°F

Mathematics