Graph the equation.-8y + 1 = 17
A. 
B. 
C. 
D. 
Answer: C
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Solve the linear equation with the intersection-of-graphs method. Approximate the solution to the nearest hundredth if necessary.
= 
A. -0.8 B. 1.67 C. 1.43 D. -2
Graph the equation.
- 
= 1
A. 
B. 
C. 
D. 
Solve the problem.The length of a rectangular flower bed is 7 ft. less than 3 times its width. The area of the bed is 20 ft2. Find the dimensions of the flower bed.
A. 3 ft by 3 ft B. 4 ft by 5 ft C. 4 ft by 2 ft D. 3 ft by 5 ft
Solve the problem.An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 750 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate and can accommodate 20 first class, 50 tourist class, and 110 economy class passengers. Airplane P2 costs $8500 to operate and can accommodate 18 first class, 30 tourist class, and 44 economy class passengers. How many of each type of airplane should be used in order to minimize the operating cost?
A. 5 P1 planes and 17 P2 planes
B.
| 9 P1 planes and 13 P2 planes |
C. 7 P1 planes and 11 P2 planes
D. 11 P1 planes and 7 P2 planes