Let a and b be positive numbers. Determine whether the statement is true or false.(-a)(-a)(-a) is a positive number.
A. True
B. False
Answer: B
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Find the area of the shaded region.
A. ? B. ? + 2 C. ? - 2 D. 2
Solve the problem.Determine the probability that in a class of 30 students, at least two students have the same birthday. Assume that birth rates are constant throughout the year. (Hint: First determine the probability that no two students have the same birthday and then apply the complementation rule.)
A. 0.786 B. 0.746 C. 0.706 D. 0.294
Solve the initial value problem.
= sin (2x + ?), y(0) = 3
A. y = - 
cos (2x + ?) + 3
B. y = - cos (2x + ?) + 2
C. y = 2 cos (2x + ?) + 3
D. y = - 
cos (2x + ?) + 
Provide an appropriate response.Why is the clustering strategy of estimation not a good one to use for adding the numbers 50, 125, 211 and 901?
What will be an ideal response?