Simplify (3a4 - 2a2 + 5a - 10) - (2a4 + 4a2 + 5a - 2).

A. 5a4 + 4a3 + 3a2 + 10a - 12

B. a4 + 4a2 + 10a - 12

C. a4 + 2a2 + 10a - 12

D. a4 - 6a2 - 8

The volume of Saturn is 8.27 * 10^14. This is about 766 times the volume of Earth. What is the approximate volume of Earth? Show your work.

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Find the greatest two consecutive odd intergers whose sum is less than 85

Introduction to addition of fractions with different denominator 3/5+1/3

A hot air balloon is launched at Kirby park, and it ascends at the rate of 7,200 feet per hour. At the same time, a second hot air balloon is launched at Newman park, and it ascends at a rate of 4,000 feet per hour.

Write three equivalent ratios for 5/7

Suppose that you need to create a list of n values that have a specific known mean. Some of the n values can be freely selected. How many of the n values can be freely assigned before the remaining values are determined

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Subtract: 3 3/5 - 1 1/1 1 1/10 2 1/10 2 1/5 2 2/3