Simplify the expression.8x + 1 + 9x + 12
A. 17x + 13
B. 17x
C. 34x
D. 72x + 13
Answer: A
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Use the at least once rule to find the indicated probability.The probability of winning $20 in a particular lottery is 0.02. What is the probability that you will get at least one $20 winner if you buy 50 tickets?
A. 0.980 B. 0.636 C. 0.364 D. 0.007
Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Solve the problem.Suppose assembly line workers are paid as follows:1-75 items assembled$0.50 each76-125 items assembled$1.25 each126 or more items assembled$1.75 eachIf Jared assembles 89 items, what are his gross earnings?
A. $111.25 B. $44.50 C. $62.00 D. $55.00
Provide an appropriate response.If 2x2 - 7x + 5 is factored, the result is (2x 
5)(x 
1).
A. (2x - 5)(x - 1) B. (2x + 5)(x - 1) C. (2x - 5)(x + 1) D. (2x + 5)(x + 1)