Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. x - 5
B. 
- 5
C. x + 5
D. 
+ 5
Answer: D
Mathematics
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Locate any intercepts of the function.
A. (0, 8)
B. (0, 8), (
, 0), (
, 0)
C. (0, -5), (
, 0), (
, 0)
D. (0, -5)
Mathematics
Solve the equation for the indicated variable.-3k + ar = r - 6y; r
A. r = 
or r = 
B. r = 
or r = 
C. r = 
or r = 
D. r = 
or r = 
Mathematics
Find the quotient of the following real numbers.
A. -32
B. 22
C. -22
D. - 
Mathematics
Solve the problem.The total sales made by a salesperson was $25,000 after 3 months and $68,000 after 23 months. Find an equation relating time and sales. Use the equation to predict the total sales after 43 months.
A. $110,970 B. $111,000 C. $111,100 D. $111,042
Mathematics