Calculate.9 ? 3 - 7 ? 92 + 4( 8 - 4)

A. -524
B. -512
C. -3926
D. -52

Answer: A

Mathematics

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Find the product.(x + 2y)3

A. 3(x + 2y)  B. x3 + 2x2y + 4xy + 4xy2 + 8y2 + 8y3 C. x3 + 8y3 D. x3 + 6x2y + 12xy2 + 8y3

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Mathematics

Plot the point in the xy-plane. Tell in which quadrant or on what axis the point lies.(-1, -3)  

A.

Quadrant II
B.

Quadrant IV
C.

Quadrant III
D.

Quadrant III

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Use a calculator to find the approximate value of the expression rounded to two decimal places.cos 

A. -0.22 B. -0.31 C. 1.09 D. 1.00

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Mathematics

Find the simple interest and amount for the value of principal P, rate r per year, and time t.P = $9600, r = 5%, t = 3 years and 8 months

A. $189.20, $9789.20 B. $1892.00, $7708.00 C. $1892.00, $11,492.00 D. $18,920.00, $28,520.00

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Mathematics