Combine like terms.9xy + 4x2 - 2xy + 5x2 + 11
A. 16x3y + 11
B. 27x3y
C. 11xy + 9x2 + 11
D. 7xy + 9x2 + 11
Answer: D
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Find the probability.Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability that both marbles are white.
A. 
B. 
C. 
D. 
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |-x|
A. 
B. 
C. 
D. 
Solve the problem.Seven slips of paper marked with the numbers 1, 2, 3, 4, 5, 6, and 7 are placed in a box and mixed well. Two are drawn. What are the odds that the sum of the numbers on the two selected slips is not 6?
A. 19 to 2 B. 21 to 2 C. 9 to 1 D. 19 to 1
Solve the problem.A spinner has ten regions numbered 1 through 10. If the spinner is spun 100 times, we would expect about 10 of the outcomes to be Region 1. It can be determined that the spinner is unbalanced if x, the number of outcomes that result in Region 1, satisfies 
? 1.645. Describe the number of outcomes that determine an unbalanced spinner that is spun 100 times.
A. Fewer than 6 or more than 14 outcomes B. Fewer than 9 or more than 17 outcomes C. Between 6 and 14 outcomes D. Between 9 and 17 outcomes