Simplify.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.An item costs $1346 and is marked down twice due to sales. The first markdown rate is 10% and the second markdown rate is 20%. What is the final selling price?
A. $942.20 B. $673.00 C. $1316.00 D. $969.12
Mathematics
Solve for the indicated variable.
+ 
= c, for a
A. a = 
B. a = 
C. a = bc - 
D. a = 
- b
Mathematics
Multiply.(5x2 - 10xy)(x2 - 2xy)
A. x4 - 20x3y + 20x2y2 B. 5x4 - 20x2y + 20x2y2 C. 5x2 - 20x3y + 20x2y2 D. 5x4 - 20x3y + 20x2y2
Mathematics
Solve the system by substitution.x = 3y + 7y = x - 5
A. (-4, -1) B. (-4, 1) C. (4, -1) D. (4, 1)
Mathematics