Gina has 500 minutes of talk time on her cellphone. She uses 30 minutes every time she makes a call. Write an equation describing the amount of minutes remaining on her phone, m, and the number of calls made, c.

Please help me !

choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;

step-by-step explanation:

coldest temperature they recorded add me europa2433

europa2433

560

hope this : )