Ijust really don't get it and i need ; -;

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?