How pink is blue?? How blue is pink??

Find the solution of system of equation y= x-4 y=4x+2

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents