write an equation of the graph that has a slope if -2 and a y-intercept (starting point) of 4 and graph this line

Find the given elements if matrix d:

Find percent notation for 0.008 0.008=

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)