Add or subtract. + 

A.
B.
C.
D.


Answer: C

Mathematics

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Use a graphing calculator to solve the system. Round to the nearest thousandth.  1.2x +  y = -8-4.5x - y = 10

A. {(-0.929, -2.602)} B. {(4.808, -5.205)} C. {(0.584, -3.290)} D. ?

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Solve the problem.Over time a house worth $60,000 depreciates by 2% annually. What will the value be in 20 years?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = - x2 - 18x - 90

A. Minimum: 9 B. Maximum: - 9 C. Minimum: 0 D. Minimum: -9

Mathematics

Is the following correspondence a function??

A. Yes B. No

Mathematics