Find the LCM of the set of numbers.8, 20
A. 40
B. 160
C. 20
D. 28
Answer: A
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Find the probability.Suppose we select, without looking, one marble from a bag containing 8 red marbles, 9 blue marbles, and 5 green marbles. What is the probability of choosing a blue marble?
A. 
B. 
C. 
D. 
Perform the indicated operation. Write the answer in scientific notation.
A. 4 × 10-11 B. 2 × 10-11 C. 4 × 10-3 D. 2 × 10-3
Solve.A vendor has learned that, by pricing hot dogs at $1.75, sales will reach 105 hot dogs per day. Raising the price to $2.75 will cause the sales to fall to 65 hot dogs per day. Let y be the number of hot dogs the vendor sells at x dollars each. Write a linear equation that models the number of hot dogs sold per day when the price is x dollars each.
A. y = 40x + 35
B. y = -40x + 175
C. y = - 
x + 
D. y = -40x - 175
Solve the problem.A piece of cable which is 
m long is to be cut into pieces 
m long. How many pieces will there be?
A. 32 pieces
B. 24 pieces
C. 
piece
D. 6 pieces