Simplify the expression.
A. -m
B. 1
C. -1
D. can't simplify
Answer: C
Mathematics
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Solve the problem.A guy wire to a tower makes a 75° angle with level ground. At a point 38 ft farther from the tower than the wire but on the same side as the base of the wire, the angle of elevation to the top of the tower is 36°. Find the wire length (nearest ft).
A. 40 ft B. 35 ft C. 70 ft D. 75 ft
Mathematics
Find the mean. If necessary, round to one decimal place.57, 38, 87, 23, 133, 89
A. 71.2 B. 85.4 C. 70.7 D. 71.7
Mathematics
Solve.log6 (7x - 1) = 1
A. 
B. 
C. {0}
D. 
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. (z + 3)(z - 8)
Mathematics