Solve the problem.A surveyor standing 69 meters from the base of a building measures the angle to the top of the building and finds it to be 37°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 49°. How tall is the radio tower?
A. 27.38 m
B. 10.55 m
C. 14.67 m
D. 9.84 m
Answer: A
Mathematics
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Solve the problem.A child on a swing initially swings through an arc length of 12 meters. The child stops pushing and sits patiently waiting for the swing to stop moving. If friction slows the swing so the length of each arc is 80% of the length of the previous arc, how far will the child have traveled before the swing stops?
A. 24 m B. The child will travel an infinite distance. C. 60 m D. 25 m
Mathematics
Estimate the following mentally.2 ? 322 ? 8
A. 6000 B. 6500 C. 2500 D. 7000
Mathematics
Find the sum.22 + (-22)
A. 22 B. 0 C. -22 D. 44
Mathematics
Solve the quadratic inequality. Express your solution on a number line using interval notation.3x2 + 2x - 8 ? 0
A. (-?, -2] ? 
B. 
C. [-2, ?)
D. 
Mathematics