1. you and your friend are splitting a restaurant bill and leaving a tip. you pay half of the bill plus $5. your friend pays half of the bill plus 25% of half the bill. you and your friend pay the same total amount. how much is half the bill?

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

c. prove the lengths are the same.

step-by-step explanation:

you need to prove the segments are congruent. congruent segments have the same length. find the lengths of the segments using the distance formula, and compare them.

answer: c. prove the lengths are the same.