Solve the problem.Chris and his friends went to the movies. They purchased 3 adult tickets, 4 student tickets and 2 child tickets. How much did they spend on movie tickets?
A. $48
B. $50
C. $58
D. $52
Answer: C
Mathematics
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Find the inverse of the function.f(x) = 
- 9, x ? 0
A. f-1(x) = x + 9, x ? 9 B. f-1(x) = (x + 9)2, x ? 9 C. f-1(x) = (x - 9)2 D. f-1(x) = -(x + 9)2, x ? 9
Mathematics
Provide an appropriate response.
=
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.Use Ohm's Law, I = 
, to find the current I, given voltage 
and impedance 
A. 845(cos 190° + i sin 190°) B. 13(cos 150° + i sin 150°) C. 13(cos 85.0° + i sin 85.0°) D. 60(cos 150° + i sin 150°)
Mathematics
y?? +10y? + 25y = 0
What will be an ideal response?
Mathematics