Select all the expressions that are equivalent to 8w - 9 + 5 - 2w. 2(3 w - 2)
(11 w - 1) - (5 w + 3)
2(5 w + 7)
3 w + 7 + 3 w - 11
10 w + 14
(6 w + 3) + (2 w - 7)
6 w - 4

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

How many $20 bills do you need to have to make $280

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