What is the equation of a line with the slope 7 and y intercept of -4?

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry