The graph shows the total sales in thousand of dollars from the distribution of x thousand catalogs. Find the average rate of change of sales with respect to the number of catalogs distributed for the change in x.
10 to 40
A. 
B. 
C. 
D. 4
Answer: C
Mathematics
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Solve the problem.Suppose that 12 fair coins are tossed. Find the numbers of ways of obtaining exactly 8 heads.
A. 48 B. 11,880 C. 9,979,200 D. 495
Mathematics
List the subsets.List all of the two element subsets of the set {a, b, c, d, e}.
What will be an ideal response?
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Solve the equation or inequality.|5x - 4| + 5 < -2
A. 
B. ?
C. 
D. 
Mathematics
State the degree of the polynomial equation.3(x + 9)2(x - 9)3 = 0
A. 2 B. 3 C. 4 D. 5
Mathematics