samantha buys one vase and x roses. the vase costs $15 and each rose costs $2. what function equation represents the amount of money samantha spends?

f(x)=15x+2

f(x)=15x−2

f(x)=2x+15

f(x)=2x−15

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

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

‼️‼️‼️‼️‼️the pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is 440 f, find the pressure exerted when the temperature of the gas is 380°f. (show work)