Solve the equation. -  = 3

A. {-72}
B. {72}
C. {69}
D. {-69}


Answer: A

Mathematics

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Factor the difference of squares. If the polynomial cannot be factored, write "prime."x2 + s2

A.
B. prime
C. (x + s)(x + s)
D. (x - s)(x + s)

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Solve the equation for x. = -9

A. {2} B. {-9} C. {7} D. ?

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Find the amount by which the ordinary interest is larger than the exact interest. Round to the nearest cent.$90,600 at 9% for 160 days

A. $0.32 B. $41.53 C. $61.53 D. $51.03

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Complete.21,120 ft =  mi

A. 4.5 B. 4 C. 5 D. 105.6

Mathematics