Answer the question about percent. Round to the nearest hundredth where necessary.What is 83% of 489?
A. 40.59
B. 4058.7
C. 40,587
D. 405.87
Answer: D
Mathematics
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Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The diagram below shows a rope connecting the top of a pole to the ground. The rope is 29 yd long and touches the ground 26 yd from the pole. How tall is the pole? Round approximations to the nearest tenth. 
26 yd
A. 82.5 yd B. 27.5 yd C. 6.4 yd D. 12.8 yd
Mathematics
Determine if the ordered pair is a solution to the given system.
; 
A. Yes B. No
Mathematics
Write equations of the horizontal and the vertical lines that pass through the given point.
A. horizontal: y = 
;
vertical: x = -4
B. horizontal: y = -4;
vertical: x = 
C. horizontal: y = - 
;
vertical: x = -4
D. horizontal: y = 
x;
vertical: x = -4y
Mathematics