For a field trip, 4 chaperones and needed for every 18 students. how many chaperones are needed if there are 81 students on the trip?

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

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