Translate the sentence to an algebraic inequality.A number is greater than -7.
A. x ? -7
B. x > -7
C. x < -7
D. x ? -7
Answer: B
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Multiply or divide as indicated. Make sure that your answer is reasonable by estimating first. 167.5 × 0.40
A. 67.111 B. 67.11 C. 67.000 D. 67.1
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(16x8y4)1/2
A. 4x4y2 B. 4x8y2 C. x4y2 D. 4x4y
Solve the problem. Round rates to the nearest tenth of a percent and dollar amounts to the nearest cent.A local dealer sells baseballs for $25 each. If $14.20 is the cost, what is the percent of markup on the selling price?
A. 69.8% B. 43.2% C. 30.2% D. 32.9%
Solve.Suppose that 
is invested at an interest rate of 
per year, compounded continuously. What is the balance after 9 years?
A. $19,785.98 B. $12,660.00 C. $19,685.98 D. $17,940.00