Rationalize the denominator.
A. 
B. 8
C. 57
D. 
Answer: A
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Write the binomial expansion of the expression.(2x2 - y)5
A. 32x10 - 80x8y - 80x6y2 - 40x4y3 - 10x2y4 - y5 B. 32x10 - 80x8y + 80x6y2 - 40x4y3 + 10x2y4 - y5 C. 32x10 + 80x8y + 80x6y2 + 40x4y3 + 10x2y4 + y5 D. -32x10 + 80x8y - 80x6y2 + 40x4y3 - 10x2y4 + y5
Evaluate the sum.
A. 81 B. 12 C. 243 D. 120
Find the indicated probability.A study was recently done that emphasized the problem we all face with drinking and driving. Four hundred accidents that occurred on a Saturday night were analyzed. Two items noted were the number of vehicles involved and whether alcohol played a role in the accident. The numbers are shown below: Number of Vehicles Involved
If an accident is selected at random, what is the probability that it involved alcohol or a single car? Give your answer as a fraction.
A. 
B. 
C. 
D. 
Solve the problem.A rectangular garden has an area of 12 feet by 5 feet. A gravel path of equal width is to be built around the garden. How wide can the path be if there is enough gravel for 138 square feet?
A. 5 ft B. 10 ft C. 4 ft D. 3 ft