1. Belinda baked 9 pies that weigh 20 1/4 pounds total. How much does each pie weigh? *
81/4
4/81
4/9
9/4

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

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.