Solve the equation.0.15(40) + 0.70x = 0.50(40 + x)
A. 35
B. 60
C. 70
D. 80
Answer: C
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Solve the problem.There were 32,000 people at a ball game in Los Angeles. The day's receipts were $170,000. How many people paid $11.00 for reserved seats and how many paid $4.00 for general admission?
A. 26,000 paid $11 and 6000 paid $4 B. 10,500 paid $11 and 21,500 paid $4 C. 21,500 paid $11 and 10,500 paid $4 D. 6000 paid $11 and 26,000 paid $4
Divide as indicated.
A. 
B. 
C. 3x5
D. 
Use the following information to solve the problem. An airport is located at point O. A short-range radar tower is located at point R. The maximum range at which the radar can detect a plane is 4 miles from point R.Assume that R is 3 miles east of O and 8 miles north of O. In other words, R is located at the point 
. An airplane is flying parallel to and 2 miles east of the north axis. (In other words, the plane is flying along the path 
.) What is the greatest distance north of the airport at which the plane can still be detected by the radar tower at R? Round your
answer to the nearest tenth of a mile. A. 4.1 miles B. 11.9 miles C. 11 miles D. 10.2 miles
Determine whether the given ordered set of numbers is a solution of the system of equations.(-4, -1, 3)
A. Yes B. No