You want to buy two new seat covers for your car. the seat covers cost $19.75 each. the tax for your purchase is 7%. how much money will you have to spend? round to the nearest hundreth.

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.