Plz plz answer this

you have lunch at an italian restaurant. the cost of lunch before tax is $12.50. the sales tax rate is 7%. you leave a 20% tip on the pre-tax amount. what is the total you spend on lunch, including tax and tip?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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.

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?