Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this.7x - 6y = 364x - 3y = 18
A. (0, -6)
B. (-1, -5)
C. No solution
D. (0, -5)
Answer: A
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Solve the problem.Find the number of units that must be produced and sold in order to yield the maximum profit, given the following equations for revenue and cost:R
= 7xC
= 0.001x2 + 1.1x + 40.
A. 2950 units B. 4050 units C. 5900 units D. 8100 units
Use the MACRS depreciation rates table to find the recovery percent (rate), given the recovery year and recovery period.MACRS Depreciation Rates 
Recovery year:1Recovery period:3 years
A. 32% B. 20% C. 33.33% D. 44.45%
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 5°
A. -0.28 B. -1.00 C. 0.28 D. 1.00
Find an equation of the circle satisfying the given conditions.Endpoints of a diameter: (1, 4) and (-7, 3)
A. 
2 + 
2 = 85
B. 
2 + 
2 = 37
C. 
2 + 
2 = 
D. 
2 + 
2 = 65