If 25^2x-1=125^6. then find the value of 74^x-18

Which graph represents the following piecewise defined function?

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

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?