Solve using both the addition and multiplication properties of equality.5r + 5 = 30
A. r = 20
B. r = 5
C. r = 1
D. r= 24
Answer: B
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Solve.Tom Quig traveled 240 miles east of St. Louis. For most of the trip he averaged 70 mph, but for one period of time he was slowed to 10 mph due to a major accident. If the total time of travel was 6 hours, how many miles did he drive at the reduced speed?
A. 50 miles B. 30 miles C. 25 miles D. 40 miles
Solve.A faucet is used to add water to a large bottle that already contained some water. After it has been filling for 3 seconds, the gauge on the bottle indicates that it contains 19 ounces of water. After it has been filling for 11 seconds, the gauge indicates the bottle contains 59 ounces of water. Let y be the amount of water in the bottle x seconds after the faucet was turned on. Write a linear equation that relates the amount of water in the bottle,y, to the time x.
A. y = 
x + 
B. y = 5x + 4
C. y = 5x + 48
D. y = -5x + 34
Solve the problem.The spinner shown is spun once. Find the probability that the spinner stops on an odd number. 
A. 
B. 
C. 0
D. 1
Identify the equation without applying a rotation of axes.x2 + 12xy + 36y2 - 4x + 4y - 2 = 0
A. ellipse B. parabola C. hyperbola D. not a conic