Which expression is equivalent to - 21?

A. 9 - (-12)

B. 9 + (-12)

C. - 9+12

D. - 9-12

Tamara need tiles to make a border for her bathroom wall. The border will be 9 feet long and 1/3 foot wide. Each tile measures 1/3 foot by 1/3 foot. Each box of tiles contains 6 tiles.

A patient drinks 5 12ounce cups of coffee daily. The doctor recommends cutting back 60%, how many ounces of coffee can the patient have each day?

Trigonometric equations and trigonometric identities are the same thing. True or false

25x^4 + 120x^2y + 144y^2

X/0.7=21 a) 13.7 b) - 13.7 c) 14.7 d) - 14.7

Which of these absolute values is the greatest? A. |140| B. |-104| C. |104| D. |-204|

North Star wants to know how many books are in the libraries. We learn that there are 412 books in the 5th-grade library, 421 in the 6th, 357 in the 7th grade and 462 in the 8th grade. Which grade has the second greatest number of books?

Which sequence of transformations can change the size of a polygon? Select all that apply A. Reflection and rotation B. Rotation and dilation C. Dilation and translation D. Translation and reflection

What would be the expression after distributing, 4 (x+7) ?

The shoe store is having a sale. All items are 30% off the regular price, and the store will pay 1/2 of the sales tax. Sales tax is 8%. How much would you pay for pair of shoes, if the regular price is $50.00?