Write a system of equations to describe the problem situation. Use guess and check to solve the problem.
Three adult and five university student tickets for the alternative music hall cost $86.50. Five adult and eight student tickets cost $141. Find the price of an adult ticket.
A) Adult ticket is $8.50.
B) Adult ticket is $12.
C) Adult ticket is $13.
D) Adult ticket is $9.50.
E) Adult ticket is $15.
C) Adult ticket is $13.
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Write the number as a fraction with the indicated denominator. ? 4 as halves ?
A.
B.
?
C.
D.
E.
Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (4, 6, 6) for 4x2 + 6 ln xz + 6yz2 + 5ez = 0.
A. 
B. - 
C. - 
D. - 
Divide.
A. 2x6 + 30x5 B. 12x11 C. 2x6 + 10x3 D. 6x8 + 10x3
Solve the problem.Suppose a projectile is launched from the origin into the first quadrant with an initial velocity v0 feet per second at an angle ? with the horizontal. If the only force acting on the projectile is the force of gravity (with acceleration, 
then the time of flight, t, is given by 
A golf ball is hit with an initial velocity of 49 ft/sec with an angle 
Find the time of flight, t. Round to the nearest hundredth of a second
when necessary. A. 2.55 sec B. 1.29 sec C. 3.07 sec D. 2.78 sec