Write the following as a rate in lowest terms.230 hours for 25 projects
A. 
B. 
C. 
D. 
Answer: A
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Write the equation for the plane.The plane through the points P(-1, 8, -47) , Q(2, -7, 37) and 
A. 3x - 5y - z = 4 B. 3x - 5y - z = -4 C. 3x + 5y +z = -4 D. 3x + 5y + z = 4
Find the equation of the line tangent or normal (as indicated) to the given curve with the given slope.y = x2 - 9x, tangent line with slope -9
A. y = 9x - 81 B. y = 9x C. y = -9x D. y = 9x + 81
Solve the linear programming 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
Identify the values for which the rational expression is undefined.
A. r = 4 B. r = 0 C. r = -4 D. None