The sale amount is 98.75 what is the sales tax is 5%what is the amount paid

Solve for x i'll try to attach the files bc it's not letting me for some reason

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour