Answer the question.Pam drives to work at 64 miles per hour before the morning rush hour, but returns home during the evening rush hour at only 40 miles per hour. Explain why 52 is not a valid solution to the problem "What was her average speed for the day's driving?"

What will be an ideal response?


The average speed for the day's driving must use the total time, which has not been considered in deriving the above "solution."

Mathematics

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Simplify.

A.
B.
C.
D.

Mathematics

Write in scientific notation.531.392

A. 5.31392 × 10-2 B. 5.31392 × 10-3 C. 5.31392 × 103 D. 5.31392 × 102

Mathematics

Find the future value of the annuity due.$1500 deposited at the beginning of each year for  at 6% compounded annually

A. $23,804.91 B. $45,957.46 C. $18,271.19 D. $20,957.46

Mathematics

Simplify. Assume that all variables represent positive real numbers.

A. 4x
B.
C. x 
D.

Mathematics