What is the answer for |-9|

Solve for r. -10r = 4 - 9r

The base of a right pyramid is a regular hexagon with sides of length 1212 m. the altitude is 66 m. find the total surface area of the pyramid.

Shelby and Shannon are both plumbers. Shelby charges $15 per hour whilst Shannon charges $2 per pipe fixed. Shelby fixes 10 pipes per hour. A hotel wants to hire a plumber to fix 40 pipes. Which plumber should the hotel hire?

Use four unit multipliers to convert 36 square yards to square inches. (Use two unit multipliers to go from square yards to square feet and two unit multipliers to go from square feet to square inches.)

Ariel's bill for brunch at a restaurant was $76. She left a 15% tip. What was the amount of the tip?

Sofia was making cookies and decided to triple the recipe. By the end of the day her two cents each at seven cookies, and her daughter at five. Now there are 89 cookies remaining how many cookies are in the original recipe

Use the transformations on the function f (x) = x| to select the correct graph of f (x) = 1/3lxl+1

If g (4) = 16, g (5) = 18, g (6) = 20, then g (3) = ?

How can one fifthx - 2 = one thirdx + 8 be set up as a system of equations?

You are biking to the library. When you are 75% of the way there, you realize you forgot a book. So you turn around and head back. When you are of the way back you realize you don't need the book, so you turn around again and bike 3.