Simplify the expression. Use the order of operations.-6(
) - (-9)(-10)
A. 90
B. -120
C. 60
D. -30
Answer: B
Mathematics
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Simplify the expression. Assume all variables represent positive real numbers.
- 
A. 2
- 4
B. 6
C. 2 - 4
D. 4
- 2
Mathematics
Provide an appropriate response. A sales clerk determined the total bill on a sale of $14 with a sales tax rate of 5%. He multiplied $14 by 1.05 and determined the answer to be $14.70. Show another method to verify this answer.
What will be an ideal response?
Mathematics
Supply the missing numbers. Round decimals to the nearest thousandth and percents to the nearest tenth of a percent.fractiondecimalpercent?0.8
A. 
80%
B. 
8%
C. 
8%
D. 
80%
Mathematics
Solve the equation for 0 ? t < 2?. Approximate the solution to four decimal places.cos t = -0.40
A. 1.9823, 4.3009 B. 1.8235, 4.4597 C. 1.9284, 4.3548 D. 1.8755, 4.4077
Mathematics