Solve the problem.A cellular phone company determines a monthly bill from the x number of minutes of usage. The amount of the bill, B(x), (in dollars) is given by the function: How many minutes did Marv use his phone during the month of July if his bill was $39.35?

A. 9 minutes
B. 67 minutes
C. 35 minutes
D. 251 minutes


Answer: B

Mathematics

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Provide an appropriate response.The inequality1-  <  < 1holds when x is measured in radians and  < 1. Find if it exists.

A. 0.0007 B. 1 C. 0 D. Does not exist

Mathematics

Graph the equation by plotting intercepts.4x + 5y = 20

A.

B.

C.

D.

Mathematics

Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.x - z = -5y + z = 1x + z = 2

A. {(-5, 1, 0)}
B.
C.
D. {(-3, -5, 7)}

Mathematics

Graph the function.y =  cot 3x

A.

B.

C.

D.

Mathematics