Sam is 15 years old. Sam is 5 years older than Andy. Which equation represents Andy's age (A)?
what’s the answer to this word problem

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?