Use the order of operations to evaluate the following expression:
a. -4
b. 2
c. 5
d. 10
b. 2
Mathematics
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Factor by grouping.12a3 - 9a2b - 8ab2 + 6b3
A. (3a2 - 2b)(4a - 3b) B. (3a2 + 2b2)(4a + 3b) C. (12a2 - 2b2)(a - 3b) D. (3a2 - 2b2)(4a - 3b)
Mathematics
Simplify the expression. Assume all variables represent positive real numbers.10
- 4x
A. 6x
B. 10
- 4x
C. 14
D. 6x
Mathematics
Solve the problem.A rectangular enclosure must have an area of at least 6300 square yards. If 320 yards of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?
A. 80 ? w ? 90 B. 70 ? w ? 80 C. 70 ? w ? 90 D. 0 ? w ? 70
Mathematics
Use front end rounding to estimate the answer. Then use your estimate to select the correct exact answer.7.2 - 0.014
A. 0.07186 B. 0.7186 C. 7.186
Mathematics