Solve the system of equations by the addition method.

A. (4, 0)
B. (0, -4)
C. (-4, 0)
D. (0, 4)


Answer: A

Mathematics

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Graph the linear function by plotting the x- and y-intercepts.3y = 3x

A.

B.

C.

D.

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Solve the equation.-7b + 9 + 5b = -3b + 14

A. {5} B. {14} C. {-14} D. {-9}

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Assume a triangle ABC has standard labeling. Determine whether SAA, ASA, SSA, SAS, or SSS is given. Then decide whether the law of sines or the law of cosines should be used to begin solving the triangle.a, b, and C

A. ASA; law of cosines B. ASA; law of sines C. SAS; law of cosines D. SAS; law of sines

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Solve the problem.Andy has 31 coins made up of quarters and half dollars, and their total value is $11.00. How many quarters does he have?

A. 23 quarters B. 15 quarters C. 13 quarters D. 18 quarters

Mathematics