Solve the problem.A window washer accidentally drops a bucket from the top of a 256-foot building. The height h of the bucket after t seconds is given by 
When will the bucket hit the ground?
A. 4 sec
B. 16 sec
C. 64 sec
D. -4 sec
Answer: A
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Estimate the answer from the table or graph.The number of students at Alder High School who studied foreign languages in different years is shown in the bar graph. What is the total number of students who studied a foreign language in 2012? (Assume no student studied two foreign languages).
2006200820102012Year
A. 90 students B. 150 students C. 130 students D. 170 students
Factor the trinomial, if possible.36m2 + 72m + 36
A. (6m + 7)2 B. 36(m + 1)2 C. (6m - 7)2 D. 36(m - 1)2
Determine if the second number is a factor of the first number.45; 15
A. Yes B. No
Use these sets to find the following. Identify any disjoint sets.Let U = {5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, M = {5, 7, 9, 11}, 
and 
N'
A. Q, or {5, 7, 9, 11, 13, 15} B. {6, 8, 10, 12, 14} C. M, or {5, 7, 9, 11} D. {7, 9, 11, 13, 15}