Add or subtract as indicated.5
+ 
- 4
A. 
B. 
C. 
+ 
D. 9
+ 
Answer: C
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Let A and B be sets with cardinal numbers, n(A) = a and n(B) = b, respectively. Decide whether the statement is true or false.n(A ? B) = n(A) + n(B) - n(A ? B)
A. True B. False
Identify the terms in the given expression.5 - 5a + 9b
A. 5, -5, a, 9, b B. 5, 5a, 9b C. 5, -5a, 9b D. -5, 9b
Write a formula for the general term (the nth term) of the geometric sequence.6, 12, 24, 48, 96, . . .
A. an = 6(2n) B. an = 6(2)n C. an = 6(2)n - 1 D. an = a1 + 2n
Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 245 miles in the same time that Dana travels 230 miles. If Chuck's rate of travel is 3 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 46 mph B. 53 mph C. 45 mph D. 49 mph