Solve the problem.If a construction crew building a skyscraper can build 76 floors in 171 days, what is the pace per day?

A.  floor(s)/day
B.  floor(s)/day
C.  floor/day
D.  floors/day


Answer: C

Mathematics

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At one high school, the mean time for running the 100-yard dash is  with a standard deviation of 0.9 seconds. The times are normally distributed.Find the percent of times that are below 15.2 seconds.

A. 68% B. 34% C. 50% D. 16%

Mathematics

Simplify by first converting to rational exponents. Assume that all variables represent positive real numbers.

A.
B. 243
C. 9
D. 81

Mathematics

Multiply.(0.09)(0.09)

A. 0.081 B. 0.81 C. 0.0081 D. 0.000081

Mathematics

For  f(x) = A sin  + D,identify either A, B, C, or D as indicated for the sine function.y = cos Find C.

A.
B. - ?
C. ?
D. - 

Mathematics