At a conference of 250 people, 20% of the participants are french, 35% are americans, 5% are germans, and the rest are of other nationalities. how many french participants are at the conference? 200 100 50 20

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.