Factor.80z8 - 28z5 - 24z2
A. 4(4z6 - 3)(5z2 + 2)
B. 4z2(4z3 - 3)(5z3 + 2)
C. 4z2(5z3 - 2)(4z3 + 3)
D. (4z4 + 4)(5z4 + 2)
Answer: B
Mathematics
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Calculate. Round to two decimal places if necessary.
A. 4 B. 14 C. 5 D. 8
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Solve for the variable.
x - 
= -3
A. x = 7 B. x = -7 C. x = 5 D. x = -5
Mathematics
Solve the problem.You purchased shares of stock for $560 and sold them for $620. Find the percent increase, or return, on this investment. Round to the nearest tenth of a percent, if necessary.
A. 10.7% B. 52.5% C. 9.7% D. 90.3%
Mathematics
For the compound inequality, give the solution set in both interval and graph forms.7x + 3 < 10 and -4 - 8x > -36
A. (1, 4)
B. (-?, 1)
C. (-?, 1) ? (4, ?)
D. (-?, 4)
Mathematics