What is the solution to this equation? 14 - 3x = 6 - 5x

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.