Plz help! Find the slope and y-intercept of the graph and table.

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Ill mark the brainliest if you me with the these three questions 7,8,9