Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
- 
D. 
Answer: D
Mathematics
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Solve.When making a telephone call using a calling card, a call lasting 3 minutes cost $1.00. A call lasting 11 minutes cost $2.60. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that relates the cost of a making a call, y, to the time x.
A. y = -0.2x + 1.6 B. y = 0.2x + 0.4 C. y = 5x - 14 D. y = 0.2x - 8.4
Mathematics
Find a power function that models the data in the table. Round to three decimal places if necessary. 
A. y = 16.767x - 21.056 B. y = 4.857x1.525 C. y =1.525x4.857 D. y = 6.275x1.466
Mathematics
Place the correct symbol, < or >, in the blank between the whole numbers.360 
300
A. < B. >
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics