Solve the problem.In the spinner shown below, the regions numbered 1 and 2 correspond to 90? angles. The region numbered 3 corresponds to a 100? angle and the region numbered 4 corresponds to a 60? angle. Find the probability that, when spun randomly, the spinner will land on the region numbered 5.
A. 
B. 
C. 
D. 
E. none of these
Answer: D
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If the number in the sentence is in scientific notation, convert it to decimal notation. If the number in the sentence is in decimal notation, convert it to scientific notation.The life span of the average male human being is approximately 37,843,200 minutes.
A. 3.78432 × 107 minutes B. 3.78432 × 105 minutes C. 37.8432 × 106 minutes D. 3.78432 × 106 minutes
Divide numerator and denominator by the highest power of x in the denominator to find the limit.
A. 
B. 
C. 
D. does not exist
For the pair of functions, perform the indicated operation.f(x) = x2 + 1, g(x) = 2x - 7
Find (f ? g)(x).
A. 2x3 + 2x2 - 7x - 7 B. 2x2 + 2x - 7 C. 2x3 - 7x2 + 2x - 7 D. 2x3 - 7
Find the actual difference.-9.7 - 7.4
A. 2.3 B. 17.1 C. -17.1 D. -2.3