Solve.Tickets for the school play cost $5 for students and $8 for adults. On opening night, all 360 seats were filled, and the box office revenues were $2580. How many student and how many adult tickets were sold?
A. 360 student and 0 adult
B. 100 student and 260 adult
C. 320 adult and 40 student
D. 100 adult and 260 student
Answer: B
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Reverse the order of integration and then evaluate the integral.
A. 3(1 - cos 36)
B. 
(1 - cos 36)
C. 
D. 3
Solve the problem.Find the moment of inertia Iy of a tetrahedron of constant density 
bounded by the coordinate planes and the plane 
.
A. 
B. 
C. 
D. 
Find the area.
A. 12.4 ft2 B. 9.52 ft2 C. 6.2 ft2 D. 4.76 ft2
Solve the problem.The graph shows the hours studied and the exam grades obtained on a finite math exam for 8 students. (The two points on the line do not represent any of the eight students.) The line of best fit, the line graphed on the coordinate system, can be used to approximate the test grade the average student receives for the number of hours they study. 
Find the equation of the line of best fit. Then use the equation to estimate a test grade for a student who has studied for 6 hour(s).
A. approximately 96 B. approximately 93 C. approximately 88 D. approximately 91