Solve the problem.Bubba's Computer World sells personal computers. They want to try out a new advertising campaign with x one-minute spots on local television at a cost of $275 per minute, and y one-minute spots on radio, at a cost of $220 per minute. For the first phase of the campaign, the advertising director is given a budget of no more than $55,000 to spend on a maximum of 225 minutes of advertising. Graph the possible combinations of television and radio spots and find the vertices. 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Find the mass of the region of density 
bounded by the hemisphere 
and the xy-plane.
A. 40? B. 20? C. 10? D. 80?
Mathematics
Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The cost for labor associated with fixing a washing machine is computed as follows: There is a fixed charge of $35 for the repairman to come to the house, to which a charge of $26 per hour is added. Find an equation that can be used to determine the labor cost, C, of a repair that takes x hours.
A. C = 35 - 26x B. C = 35 + 26x C. C = (35 + 26)x D. C = 26 + 35x
Mathematics
Determine whether the equation defines y as a function of x. y2 = 3 - x2
A. function B. not a function
Mathematics