Solve the problem.A theatre sells two types of tickets to their plays; children's tickets and adult tickets. For today's performance they have sold a total of 1225 tickets. Also, they have sold 4 times as many adult tickets as children's tickets. How many adult tickets have they sold?
A. 973
B. 986
C. 980
D. 977
Answer: C
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Perform the matrix multiplication.
A. 
B. Not defined
C. 
D. 
Solve the problem.A police helicopter is monitoring the speed of two cars on a straight road. The helicopter is at an altitude of 
feet directly above the road. At one instant, the angle of elevation from the first car to the helicopter is 
and the angle of elevation from the second car to the helicopter is 
How far apart are the two cars to the nearest foot? Assume that both cars are in front of the helicopter.
A. 107 ft B. 2796 ft C. 328 ft D. 2645 ft
Find the equation of the line described, and express your answer in the specified form.Parallel to the line x = 8; passes through the point (1, 9); standard form
A. x = 9 B. y = 8 C. y = 9 D. x = 1
Answer the question.For x ? 4, the rational expression 
is equal to 9. Can the same be said for 
? Explain why or why not.
What will be an ideal response?