Solve the problem.The annual precipitation for one city is normally distributed with a mean of 267 inches and a standard deviation of 3.4 inches. In what percentage of years is precipitation in the city between 260.2 inches and ?

A. 97.5%
B. 95%
C. 68%
D. 99.8%


Answer: B

Mathematics

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Find the product.(-3)(-3)(-3)

A. -37 B. -27 C. 27 D. -17

Mathematics

Solve the problem.A yard in the shape of a square measures  on each side. A triangular area with a height of  and a base of  is dug up for a flower bed. How much yard area is left over?

A. 161.5 ft2 B. 342 ft2 C. 323 ft2 D. 380 ft2

Mathematics

Subtract.(5m2 + 2m + 2) - (-9m2 - 7)

A. 14m2 + 2m + 9 B. -4m2 + 2m - 5 C. 14m2 + 9m + 2 D. -4m2 + 9m + 2

Mathematics

Find the limit. 

A. 0 B. 5 C. 10 D. No limit

Mathematics