How many solutions does this system of equations have? Show your work. y + 3x = −7 15x + 5y = −7

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

What does x = in this equation x+3+2x=x+5

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work