What is the slope of the linear equation 5x - y = 4

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer

Afurniture store is having a weekend sale and is offering a 20% discount on patio chairs and tables the sales tax on furniture is 6.25%

Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?