Find the center and radius of a circle with the equation

x² + y² = 20.

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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.