Solve the problem.When making a telephone call using a calling card, a call lasting 3 minutes cost $1.65. A call lasting 12 minutes cost $5.25. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that models the cost of a making a call lasting x minutes.
A. y = 0.4x - 6.75
B. y = 0.4x + 0.45
C. y = -0.4x + 2.85
D. y = 
x - 
Answer: B
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Write the equation of the quadratic function whose graph is a parabola containing the given points.(0, -1), (4, 51), (-2, 9)
A. y = 3x2 + x - 2 B. y = 2x2 + x - 1 C. y = 3x2 - x - 1 D. y = 3x2 + x - 1
Round the whole number to the given place value.32,998 to the nearest ten
A. 32,900 B. 32,000 C. 33,000 D. 32,990
Solve the problem.A piece of cable which is 
m long is to be cut into pieces 
m long. How many pieces will there be?
A. 30
B. 6
C. 50
D. 
Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.A road that is 17 miles long is represented on a map that shows a scale of 1 centimeter being equivalent to 30 kilometers. How many centimeters long does the road appear on the map? Round your result to the nearest tenth of a centimeter.
A. 0.4 cm B. 1.4 cm C. 27.4 cm D. 0.9 cm