A thrift store pays $15 for a used graphing calculator and later places it on the shelf at a price of $45. Find the percent markup.
A. 50%
B. 33.33%
C. 300%
D. 200%
Answer: D
Mathematics
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Points A, B, C and D are located on line l. Their corresponding coordinates are: A = -2.35, B = -.4, C = .7 and D = 3.25. Find each of the following distances:
(a) AC
(b) BD
(c) BC
(d) AD
Mathematics
Add or subtract.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the area of the rectangle.
A. 44 sq ft B. 22 sq ft C. 121 sq ft D. 242 sq ft
Mathematics
Solve the system, using Cramer's rule, if possible.
A. {(9, 2, 5)} B. ? C. {(9, 5, 2)} D. {(-9, 5, 18)}
Mathematics