Find an equivalent expression by factoring.35a + 7b
A. 35(a + b)
B. 7(5a + b)
C. 5(7a + 7b)
D. 7(5a + 7b)
Answer: B
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Use a proportion to solve the problem.If a computer prints 258 lines in 3 seconds, how many lines can it print per minute?
A. 5170 lines B. 2580 lines C. 5160 lines D. 5165 lines
The pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the years indicated. 
What was the amount of decrease in the number of cyclists from 2001 to 2002?
A. 20 B. 35 C. 15 D. 25
Find the least common denominator (LCD).
, 
, 
A. (k - 3)(k - 8)3(k + 2)(k + 1) B. (k - 3)(k + 2)(k + 1) C. (k - 3)(k - 8)(k + 2) D. (k - 3)(k - 8)(k + 2)(k + 1)
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400