Solve the problem.When making a telephone call using a calling card, a call lasting 3 minutes cost $0.65. A call lasting 11 minutes cost $1.45. 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 = 10x - 
B. y = -0.1x + 0.95
C. y = 0.1x - 9.55
D. y = 0.1x + 0.35
Answer: D
Mathematics
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Provide an appropriate response.Suppose ?PQR ? ?ABC, where ?ABC is shown below. Find PQ.
A. 5 B. Cannot be determined C. 3 D. 4
Mathematics
Use a graphing utility to find or approximate solutions to the equation. If necessary, round your answers to three decimal places.x2 - 6x - 57 = 0
A. 31.605, -25.605 B. 25.605, -31.605 C. 11.124, -5.124 D. 5.124, -11.124
Mathematics
Find all solutions of 
a. x = 7
b. 
c. x = 14
d. x = 49
e. x = -7
Mathematics
Give the equation of the oblique asymptote, if any, of the function.f(x) = 
A. x = y + 4 B. y = x - 10 C. y = x + 8 D. no oblique asymptote
Mathematics