Combining like terms

simplify the expression

11r - 12r

You decide to make and sell bracelets. The cost of your materials is $84. You charge $3.50 for each bracelet. a. Write a function that represents the profit P for selling b bracelets. b. You buy a bookshelf that has a regular price of $85.

Place value of 6 in 2.675 and 1 in 804.721

The surface area of a sphere is found using the formula where r is the radius of the sphere. The surface area of a cube that is the same height and width (2r) as the sphere is.

Twenty-five subtracted from one-half a number is 10. What is the number?

If fabric costs $4.98 per yard, how much will 7 5/8 yards cost?

Whats the greatest ten you can multiply by 19 to get close to but not go over 684

How many solutions does 5x-9=-9+5x have? (show your work)

A Girl Scout had 5x-12 boxes of cookies and sells 3x+18 of them. Write an expression to represent the amount of boxes she has left.

Use the elimination method to solve the system of equations. Choose the correct ordered pair 2x + 4y = 16 2x - 4y = 0 A. (2. - 4) B. (4,-2) C. (2,4) D. (4,2)

A nine-year-old tested professional touch therapist. Using a cardboard partition, she held a hand above one of the therapist's hands and the therapist was asked to identify the hand that was chosen.