Factor out the GCF from the polynomial.7(y + 10) - x(y + 10)
A. (y - 10)(x - 7)
B. (y + 10)(7 - x)
C. (y + 10)(7 + x)
D. (7y + 70) - (xy + 10x)
Answer: B
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Find the probability.A family has five children. The probability of having a girl is 1/2. What is the probability of having no more than 3 boys?
A. 0.9688 B. 0.3125 C. 0.8125 D. 0.5000
Find the first four terms of the binomial series for the given function.(1 + 5x)-1/2
A. 1 - 
x + 
x2 - 
x3
B. 1 - 
x - 
x2 - 
x3
C. 1 - 
x + 
x2 - 
x3
D. 1 - 
x + 
x2 - 
x3
Determine the number of terms and identify the coefficient of each term of the expression.
t5
A. 1; t5
B. 1; 5
C. 1; 7
D. 1; 
Describe the situation with a linear inequality and then solve the inequality.Lauren earns $3 an hour selling encyclopedias door-to-door. She also earns $15 in commission per set of encyclopedias sold. To pay her rent this week, she must earn at least $129, and she only has time to work 8 hours. How many sets of encyclopedias must Lauren sell this week in order to make her rent?
A. She would have to sell at least 8 sets of encyclopedias. B. She would have to sell at least 6 sets of encyclopedias. C. She would have to sell at least 7 sets of encyclopedias. D. She would have to sell at least 9 sets of encyclopedias.