How many solutions are there to the following system equations?

Use the linear combination method.

2d+e=8

d-e=4

A. The solution is (4,0)

B. There is no solution

C. There are an infinite number of solutions

D. The solution is (5,-2)

Sin²A = 1 + cos²A 1 - cos²A cos²A - 1

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The amount of a persons paycheck p varies directly with the numbers of hours worked t. for 25 hours of work, the paycheck is $312.50write a equation for the relationship between hours of work and pay

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