**Offering a good bit of my points, please don't randomly type something. I really need help. Can someone answer these 3 questions? **
1.) Write an equation for the following scenario where y is the total amount charged and x is the number of hours: A plumber charges $125 upfront fee and $39 an hour
2.) Write an equation for the following scenario where y is the total amount charged and x is the number of people attending: it will cost $499 to rent the location for the party and $15 per person to attend.
3.) Write an equation for the following scenario where y is the altitude of the plane and x is the number of minutes An airplane is cruising at an altitude of 25,000 feet. It begins to descend at a rate of 2,300 feet per minute