Simplify. Assume that all variables represent positive real numbers.(3
+ 9)(7
- 5)
A. 108 + 48
B. 66
C. 18 + 48
D. 18 + 78
Answer: C
Mathematics
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Round the number to the nearest thousandth, nearest hundredth, and nearest tenth. Remember to round from the original number.327.726
A. 327.726, 327.73, 327.7 B. 327.726, 327.72, 328 C. 327.726, 327.73, 327 D. 327.73, 327.7, 327
Mathematics
Subtract.(3a2 - a + 7) - (10a2 + 5a - 12)
A. 7a2 + 6a - 19 B. 7a2 + 4a - 5 C. -7a2 - 6a + 19 D. -7a2 - 4a - 5
Mathematics
Solve.
a - 
= -2
A. 7 B. -7 C. -5 D. 5
Mathematics
Rewrite using the stated property.Associative property; 2 ? (
? 8)
A. (2 ? 
) ? 8
B. (2 ? 8) ? 
C. (8 ? 
) ? 2
D. 2 ? (8 ? 
)
Mathematics