Use the range rule of thumb to approximate the standard deviation.496, 598, 503, 528, 565, 601, 576, 543

A. 18.75
B. 60.6
C. 26.25
D. 170.2


Answer: C

Mathematics

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Simplify the square root. Assume all variables represent nonnegative real numbers.

A. 7
B. 7x2
C. 7x
D. 343x

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Solve the problem.Write an equivalent statement using the distributive property.5 + 15 =

A. (5 + 15)
B. (75)
C. (5 + 15)
D. (75)

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Use the change-of-base formula and a calculator to evaluate each logarithm.log7 55.55

A. 7.9357 B. 0.4844 C. 2.0645 D. 1.7447

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Solve the problem.What principal invested at 6%, compounded continuously for 3 years, will yield $1500? Round the answer to two decimal places.

Fill in the blank(s) with the appropriate word(s).

Mathematics