Urgent 6. a cell phone plan costs $30 per month for unlimited calling plus $0.15 per text message. write a linear equation that represents the monthly cost of this cell phone plan if the user sends t text messages. if you send 200 text messages, how much would you pay according to this cell phone plan? 7. a cable company charges a family a $100 installation fee and then $65 per month for a year. write a linear equation that represents the cost of the plan after m months? how much money will the family spend when their year-long contract is up urgent do each question separately 20 points