Simplify.
A. 5
B. 15
C. 
D. -5
Answer: D
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Solve the system of equations graphically.Northwest Molded molds plastic handles with a production cost of $0.60 per handle to mold. The fixed cost to run the molding machine is $6372 per week. If the company sells the handles for $3.60 each, how many handles must be molded and sold weekly to break even?
A. 1416 handles B. 1517 handles C. 10,620 handles D. 2124 handles
Solve the problem.Suppose that the speed of a car, measured in miles per hour (mph), is monitored for some short period of time after the driver applies the brakes. The following table and graph relate the speed of the car to the amount of time, measured in seconds (sec), elapsed from the moment that the brakes are applied.
Is the slope of the graph positive or negative and is the slope constant, or does it change over time?
A. Negative, constant B. Negative, changes over time C. Positive, changes over time D. Positive, constant
Use the distributive property to rewrite the expression. Do not find the product.4(1 + 6)
A. 4 + 1 + 6 B. 4 ? 1 + 6 C. 4 ? 1 ? 6 D. 4 ? 1 + 4 ? 6
Decide whether or not the ordered pair is a solution to the equation.5x - 4y = 40; (4, 5)
A. Yes B. No