Joannie, Howard, and Ralph are collecting money for the American Heart Association. Together they have collected $258. Joanie collected one dollar less than twice as much as Ralph. Howard collected 7
more dollars than Ralph. How much did Joannie collect?

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Find the missing dimension! need asap! tiny square is a =3025 in ²

If f(x)=3 over x+2 - square root x-3 then f(7)=