Jacob buys 3 hot dogs and a $1 soda. Marlena buys 2 hot dog and a $2 soda. They spent the same amount. What is the cost of one hot dog?

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.