Set up the percent proportion for the application problem. Do not try to solve for any unknowns.A team won 13 of the 17 games it played. What percent of its games did it win?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
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Solve the problem. A foreign exchange student decided to purchase an international calling plan. The monthly cost of the plan is $19.99 plus $0.08 per minute. This can be modeled by the equation 
where C is the monthly cost and m is the number of minutes used each month. Graph this equation, assuming the student will not use more than 400 minutes in a month.Monthly Cost of Cell Phone Use
A.
| Monthly Cost of Cell Phone Use |
B.
| Monthly Cost of Cell Phone Use |
C.
| Monthly Cost of Cell Phone Use |
D.
| Monthly Cost of Cell Phone Use |
Find the cross product and determine whether the proportion is true or false.
= 
A. 3120 = 3120; true B. 3120 ? 2700; false C. 2700 = 2700; true D. 8190 ? 360; false
The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = -4x B. f(x) = -4-x C. f(x) = 4-x D. f(x) = 4x
Solve the problem.Determine whether the ordered triple (2, 9, -4) is a solution of the system of equations.2x - 5y - 9z = -5 x + y + z = 73x - y + 5z = 35
A. Yes B. No