Some friends are going on a coaster ride at an amusement park. They board their car on a platform that is 12 and one fourth
feet above the ground. The car starts by going up 100 and one fourth
feet. Then the car goes down 30 and one half
feet and comes to a stop. What is the change in height from where the friends started on the platform to where they are when the car stops?

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

step-by-step explanation:

and 90% of people marry there 7th grade love. since u have read this, u will be told good news 2night. if u don't pass this on nine comments ur worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of ur life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love u

read more on -