Solve.When making a telephone call using a calling card, a call lasting 4 minutes cost $1.20. A call lasting 13 minutes cost $3.00. 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 making a call lasting x minutes.
A. y = 5x - 
B. y = -0.2x + 2
C. y = 0.2x - 10
D. y = 0.2x + 0.4
Answer: D
Mathematics
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Determine whether the terms are like or unlike.15b and 15
A. like B. unlike
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Find the volume.Find the volume of a box 6.7 yd × 4.5 yd × 2 yd.
A. 135.675 yd3 B. 89.78 yd3 C. 60.3 yd3 D. 18 yd3
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation. 
= 12
A. 144 B. 12 C. -12 D. 12, -12
Mathematics