James saved £15 per week for 100 weeks. how much did he have? how much would he have after 2 years

If 20% of a number is 35, what is 50% of that number?

Which function has the domain x> -11?

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