Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9
B. 12
C. 10
D. 2
Answer: A
Mathematics
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Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 5 miles per hour. In how many hours will they be 45 miles apart?
A. 1 hour B. 3 hours C. 4 hours D. 5 hours
Mathematics
Multiply the monomials.(5x7)(-8x5)
A. -40x12 B. -40x35 C. 40x35 D. 40x12
Mathematics
Express the repeated multiplication in exponential notation.4 ? 4 ? 4
A. 41 B. 34 C. 3 ? 4 D. 43
Mathematics
Find the slope of the line through the pair of points.(-1, 0) and (0, -3)
A. - 
B. 
C. 3
D. - 3
Mathematics