Use identities to simplify the expression. Do not use a calculator.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Determine if the given ordered triple is a solution of the system.(1, -5, 4)
A. not a solution B. solution
Mathematics
Solve the problem.The 10 ft wall shown here stands 33 feet from the building. Find the length of the shortest straight beam that will reach to the side of the building from the ground outside the wall.
A. 56.7 B. 58.7 C. 43 D. 57.7
Mathematics
Solve for the variable.
x = 5
A. 25 B. 5 C. 45 D. 9
Mathematics
Solve the problem.In a probability model, which of the following numbers could be the probability of an outcome:0, 0.2, -0.01, - 
, 
, 
, 1, 1.5
A. 0, 0.2, 
, 1
B. 0, 0.2, -0.01, 1, 1.5
C. 0.2, 
, 1
D. 0, 0.2, -0.01, - 
, 
, 1
Mathematics