Solve the problem.Chris and his friends went to the movies. They purchased 6 adult tickets, 2 student tickets and 4 child tickets. How much did they spend on movie tickets?
A. $72
B. $74
C. $80
D. $60
Answer: C
Mathematics
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Write the integral that gives the surface area generated when the curve is revolved about the x-axis. Do not simplify.y = tanx on 
A. 
dx
B. 2?
dx
C. 2?
dx
D. 
dx
Mathematics
Add or subtract, as indicated.16
- 
A. 15
B. 15
C. 16
D. 14
Mathematics
Convert the angle in degrees to radians. Express the answer as multiple of ?.87°
A. 
B. 
C. 
D. 
Mathematics
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = -2
B. x = 0, x = - 
C. x = -4
D. none
Mathematics