How do i find the ration of the first number to the second and simplify? 0.4 to 1.2

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?