Solve the problem.On part of a scenic tour of underground caves, Dave and Neil started at an elevation of -45 feet. They then rose 17 feet. What was their elevation at this point?
A. 62 ft
B. -28 ft
C. -62 ft
D. 28 ft
Answer: B
Mathematics
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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 $2610. How many student and how many adult tickets were sold?
A. 320 adult and 40 student B. 360 student and 0 adult C. 90 adult and 270 student D. 90 student and 270 adult
Mathematics
Find the partial fraction decomposition.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)
and 
A. Yes B. No
Mathematics
Solve the system of equations.
A. x = 2, y = -1, z =-9 B. x = -2, y = -1, z = -9 C. x = -2, y = -1, z = 9 D. x = 2, y = -1, z = 9
Mathematics