Translate the sentence into an equation, then solve.r decreased by  is 8.

A. -   = 8, r = 7
B. - 8 =  , r = 2
C.   - r = 8, r = 8
D. -   = 8, r = 8


Answer: D

Mathematics

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A. $19,648.00 B. $510.85 C. $1248.00 D. $20,158.85

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Find the opposite of the number.-24

A. 24
B. - 
C. -24
D. 0

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Let A be an invertible matrix. Solve the equation. ? 

A.
B.
C.
D.
E. none of these

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Mathematics