Find the sum.5.2 + (-9.9)
A. 15.1
B. 4.7
C. -15.1
D. -4.7
Answer: D
Mathematics
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Solve the problem.Between x = -2 and x = 10, the largest value of the expression 
occurs where 
. Of the values of x that satisfy 
, which gives the maximum value of 
?
A. x = 8 B. x = 0 C. x = 2 D. x = 7
Mathematics
Factor the polynomial.9z2 - 6z - 8
A. (3z - 4)(3z + 2) B. (9z - 4)(z + 2) C. (3z + 4)(3z - 2) D. prime
Mathematics
Simplify the expression. If any variables are present, assume that they are positive.
? 
A. 9x B. 20x2 C. 20 D. -2x
Mathematics
Solve the equation algebraically. Verify your solution with a graphing utility.15(9x - 9) = 4x - 3
A. 
B. 
C. 
D. 
Mathematics