Four out of 12 goldfish in an aquarium ate their food. What ratio represents the goldfish that ate their food to those that did not?

The table respent two linear functions the equation respented by the first tables is given

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

What is x and y intercepts for y=x+7