Emma manages the school store. She buys T-shirts for $8.00 each and sells them for $14.80 each. What is the percent of the increase

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.