Choose the best estimate for the sum or difference.17
+ 13
A. 31
B. 17
C. 29
D. 30
Answer: D
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Solve the equation.9x - 4.4 = 5x + 8
A. 4.1 B. 3.226 C. 0.323 D. 3.1
Write the first five terms of the sequence described.Geometric, with a4 = 12 and r = 
A. 54, 18, 6, 2, 
B. 108, 36, 12, 4, 
C. 162, 54, 18, 6, 2
D. 324, 108, 36, 12, 4
Solve the equation in part (a) graphically, expressing the solution to the nearest hundredth. Then, use the graph to solve the associated inequalities in parts (b) and (c), expressing endpoints to the nearest hundredth.(a) 
= 0; (b) 
> 0; (c) 
< 0
A. (a) {-2.77} (b) (2.92, ?) (c) (-?, 2.92) B. (a) {8.5} (b) (8.5, ?) ? (-?, -1.14) (c) (-1.14, 2.92) C. (a) {2.92} (b) (2.92, ?) ? (-?, -1.14) (c) (-1.14, 2.92) D. (a) {-1.14} (b) (-1.14, ?) (c) (-?, -1.14)
Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income less than $25,000?
A. 0.58 B. 0.22 C. 0.69 D. 0.31