Samuel orders four DVDs from an online music store. Each DVD costs $9.28. He has a 25% discount code, and sales tax is 7.25%. Round sales tax amounts to the nearest cent. What is the total cost of his order?

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost