Solve the problem.Bubba's Computer World sells personal computers. To advertise its computers to target groups, they advertise with x one-minute spots on local television at a cost of $240 per minute, and y one-minute spots on radio, at a cost of $200 per minute. Research shows that they sell one computer for every 3 minutes of television advertising, and one computer for every 6 minutes of radio advertising. Suppose the company has at most $50,000 to spend on advertising and that they sell at least 50 computers per month from this advertising. Graph the possible combination of television and radio spots and find the vertices. 
A.
B.
C.
D.
Answer: C
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.
A. Ix ?
B. Ix ? 864
C. Ix ?
D. Ix ?
Solve the problem.Find the area of a square with side of 7.2 cm.
A. 51.8 cm2 B. 26 cm2 C. 28.8 cm2 D. 52 cm2
Find the product.(p + 9q)(p - 9q)
A. p2 - 18pq - 81q2 B. p2 - 81q2 C. p2 - 18q2 D. p2 + 18pq - 81q2
Solve the problem. Round to the nearest cent or tenth of a percent.Chang bought a bumper marked up 22.6% based on selling price at a local auto repair shop. If the markup is $25.82, find the selling price and the cost.
A. Selling price = $114.25 Cost = $88.43 B. Selling price = $114.25 Cost = $140.07 C. Selling price = $88.43 Cost = $114.25 D. Selling price = $140.07 Cost = $114.25