Solve the system. +  +  = -  +  - 

/> =  +  +  = - 



A. {(8, -6, -6)}
B.
C.
D. {(8, -6, 6)}

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Answer: A

Mathematics

Solve the equation.log ? = x

A.
B.
C.
D.

Solve the problem.An initial investment of $14,000 is appreciated for 4 years in an account that earns 8% interest, compounded semiannually. Find the amount of money in the account at the end of the period.

A. $5159.97 B. $18,423.04 C. $19,159.97 D. $19,046.85

Find the exact value under the given conditions.sin ? = - ,   < ? < 2?; tan ? = - ,   < ? < ?Find cos (? + ?).

A.
B. - 
C.
D. - 

Solve the system graphically. Give x- and y-coordinates correct to the nearest hundredth.y = log (x + 7)y = x3

A. {(2.07, .69)} B. {(-2.50, 1.49)} C. {(-1.83, 1.64), (1.68, 2.16)} D. {(0.97, 0.90)}