Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Answer: D
You might also like to view...
Find the regular selling price per item to the nearest cent. Markup is based on total cost.Total cost: $1185Quantity purchased: 216Number at regular price: 196Reduced price: $4.79Markup: 41%
A. $8.52 B. $8.04 C. $7.29 D. $5.56
Solve using the multiplication principle.-56.4 = 9.4z
A. -6
B. -47
C. - 
D. -50.4
Solve the problem.An office manager is buying used filing cabinets. Small file cabinets cost $7 each and large file cabinets cost $12 each, and the manager cannot spend more than $104 on file cabinets. A small cabinet takes up 7 square feet of floor space and a large cabinet takes up 9 square feet, and the office has no more than 92 square feet of floor space available for file cabinets. The manager must buy at least 7 file cabinets in order to get free delivery. Let x = the number of small file cabinets bought and y = the number of large file cabinets bought. Write a system of inequalities that describes these constraints.
A. 7x + 12y ? 104 9x + 7y ? 92 x ? 7 B. 7x + 12y ? 104 7x + 9y ? 92 x + y ? 7 C. 7x + 12y ? 104 7x + 9y ? 92 x + y ? 7 D. 7x + 12y ? 104 7x + 9y ? 92 y ? 7
Simplify the expression. If any variables exist, assume that they are positive.15
+ 6
A. 
B. 21
C. 21
D. 21