Solve the equation.
= -7
A. -7
B. 
C. No solution
D. 7
Answer: C
Mathematics
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Solve the problem.A rectangle has an area of (60x8 + 84x6) square feet. Write the polynomial 
in factored form.
A. x6(60x2 + 84) B. 12x6(5x2 + 7) C. 12x8(5x + 7) D. 12(5x8 + 7x6)
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Use technology to compute r, the correlation coefficient.The following are costs of advertising (in thousands of dollars) and the number of products sold (in thousands): 
A. -.0707 B. .7077 C. .2456 D. .2353
Mathematics
Add.-18 + (-4)
A. 22 B. 14 C. -22 D. -14
Mathematics
Fill in the blank with one of the words or phrases listed below.
A(n) 
is a natural number greater than 1 whose factors are 1 and itself.
A. composite number B. prime number C. proper fraction D. mixed number
Mathematics