Solve the problem. Round to the nearest tenth, if necessary.The diagram below shows a rope connecting the top of a pole to the ground. How tall is the pole?
A. 8.3 yd
B. 27.5 yd
C. 137.5 yd
D. 16.6 yd
Answer: D
Mathematics
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Solve by completing the square to obtain exact solutions.x2 = 9 - 4x
A. -1 ± 
B. -2 ± 
C. 2 + 
D. -2 ± 2
Mathematics
State whether the vectors are parallel, orthogonal, or neither.v = 3i + 2j,
w = 2i - 3j
A. Orthogonal B. Parallel C. Neither
Mathematics
Find the slope of the line through the pair of points.(-5, -6) and (-3, 1)
A. - 
B. 
C. - 
D. 
Mathematics
Solve the problem.
Henry Daniels earns $2709 biweekly. He is single and claims 7 withholding allowances. He saves 2% of his salary for retirement and pays $24.50 in nonexempt insurance premiums each pay period. Social security tax is 6.2% and Medicare tax is 1.45%. What are his net earnings for each pay period?
A. $2643.33 B. $2410.07 C. $2202.83 D. $2630.32
Mathematics