Translate the words into mathematics. Do not answer the question.What is the difference between 31 and 8?
A. 31 - 8
B. 8 - 31
C. 31 + 8
D. 31 ? 8
Answer: A
Mathematics
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics
Use the present value formula to determine the amount to be invested now, or the present value needed.The desired accumulated amount is $3800 after 4 years invested in an account with 5% interest compounded annually.
A. $3282.58 B. $4618.92 C. $673.73 D. $3126.27
Mathematics
Find the probability.Determine the probability that the spinner lands on grey.
A. 
B. 
C. 
D. 
Mathematics
Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 7
B. 1
C. 
D. 49
Mathematics