Simplify {n - 1 - [n - 1 - (n - 1)]}.

n - 1
-n - 1
3n - 3
-3n + 3

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Harry the hook has 7 1/3 pounds of cookie dough. she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?