Find the LCD for the pair. Write the fraction pair as equivalent fractions with the LCD as their denominators.
, 
A. (t + 3)(t - 5); 
, 
B. (t - 5); 
, 
C. 6t; 
, 
D. (t + 3); 
, 
Answer: A
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Construct a list as requested.Let M = 
. List all of the ways that you can select two members of M with repetition allowed. The order in which you select the members is important.
A. SS, SP, SO, SM, PP, PS, PO, PM, OO, OS, OP, OM, MM, MS, MP, MO B. SS, SP, SO, SM, PP, PO, PM, OO, OM, MM C. SP, SO, SM, PS, PO, PM, OS, OP, OM, MS, MP, MO D. SP, SO, SM, PO, PM, OM
Perform the indicated operation. Simplify, if possible.
- 
A. 
B. 
C. 
D. 
Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.The manager of a coffee shop has one type of coffee that sells for $7 per pound and another type that sells for $15 per pound. The manager wishes to mix 60 pounds of the $15 coffee to get a mixture that will sell for $9 per pound. How many pounds of the $7 coffee should be used?
A. 240 pounds B. 120 pounds C. 180 pounds D. 90 pounds
Multiply.(2
+ 
)(2
- 
)
A. 4x - y
B. 4x + y
C. 4x - 2
- y
D. 4x2 - y2