Christoper wants a paintbrush that costs $2.35, a set of paint costs $11.20,and an easel that costs $27.20. christopher already has 9.70. how much more money does christopher need

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Which expression is rational? 6. , square root two, square root 14, square root 49

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18