Add or subtract as indicated.(-6x2 - y) + (4x2 + 8y - 7)
A. 10x2 + 9y - 7
B. 10x2 + 7y - 7
C. -2x2 + 7y - 7
D. -2x2 + 9y
Answer: C
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Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 
Find the LCM of the set of numbers.120, 90
A. 1080 B. 30 C. 360 D. 720
Find the circumference of the circle. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 26.69 cm B. 226.87 cm C. 53.38 cm D. 106.76 cm
Solve.Below is a diagram of a water slide. The slide is 24 ft long.The ladder leading to the slide is 23 ft long. How far is it from the end of the slide to the foot of the ladder?
A. 7 ft
B. 23.5 ft
C. 47 ft
D. 
ft