Please answer all threefast please no links

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

∆red ≅ ∆ by rule will give brainiest if possible

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form