Solve.x2 + y2 = 130x2 - y2 = 32
A. (9, -7), (9, 7)
B. (9, 7), (-9, 7), (9, -7), (-9, -7)
C. (-9, -7), (-7, -9)
D. (9, 7), (7, 9), (-9, -7), (-7, -9)
Answer: B
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A. 
B. 
C. 
D. 
Divide the polynomial by the monomial.(28x3 + 8x2 + 24x) ÷ (4x)
A. 7x2 + 2x + 6 B. 7x4 + 2x3 + 6x2 C. 7x2 + 8x D. 31
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Find the mean. Round to the nearest tenth.Value Frequency 12 1 19 4 25 7 30 3 33 3 38 3
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