John plans to practice piano at least 2 1/2 hours this weekend. If he practices 1 1/ 6 hours on Saturday and 1 1/4 hours on Sunday, will he meet his goal?

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

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

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a