Classify the polygon by name.
A. decagon
B. heptagon
C. octagon
D. nonagon
Answer: D
Mathematics
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Solve the equation.x3 + 20 = 5x2 + 4x
A. 5, 2 B. 5, 2, -2 C. -5, 5, 2 D. -5, -2, 2
Mathematics
Perform the indicated operation. Simplify, if possible.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the mistake, then find the correct answer.line 1 
+ 
line 2 
line 3 
What will be an ideal response?
Mathematics
Solve the problem.From the edge of a 1000-foot cliff, the angles of depression to two cars in the valley below are 21° and 28°. How far apart are the cars? Round your answers to the nearest 0.1 ft.
A. 713.4 ft B. 714.4 ft C. 724.4 ft D. 724.5 ft
Mathematics