Perform the indicated operations and simplify. Assume all variables represent positive real numbers.11 
- 2x 
A. 11 
- 2x 
B. 13 
C. 9x 
D. 9x 
Answer: D
Mathematics
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Multiply.(970)(524)
A. 508,280 B. 508,290 C. 508,380 D. 508,270
Mathematics
Simplify.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Write the given statement as an equation.John kept track of the time it took him to drive to college from his home and the speed at which he drove. He found that the time t varies inversely as the speed r.
A. r = kt
B. t = 
C. t = kr
D. t = 
Mathematics
Multiply.(x + 2y)(x - 12y)
A. x - 10xy - 24y B. x2 - 13xy - 24y2 C. x2 - 10xy - 24y2 D. x2 - 10xy - 10y2
Mathematics