While visiting friends in Brookfield, Janet bought a bike lock that was marked down 20% from an original price of $8.75. If the sales tax in Brookfield is 7%, what was the total cost of the bike lock?

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

What function has a range {yly< 5}? question on picture above^

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?