Solve.Seven times the sum of -63 and a number amounts to 84. Find the number.

A. -51
B. 21
C. 3
D. 75


Answer: D

Mathematics

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Multiply and simplify. Assume that all variables in a radicand represent positive real numbers. ?  

A. xy
B. 3x2y2
C. 3xy2
D. 3xy

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Solve the radical equation. Check all proposed solutions. =  + 1

A. x = - 
B. x = , 2
C. x = 
D. no solution

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Multiply.(11.44)(0.0032)

A. 0.136608 B. 0.036608 C. 0.026608 D. 0.046608

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Write the number as a mixed numeral. Do not simplify.-11.0665

A.
B.
C.
D.

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