Acustomer love jerome 250 as a tip for service that it was 20% of the total food bill

Find the difference (8ab+a+2) - (3ab+6)

What is the domain of the step function f(x)=[2x]-1?

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday