Jakes phone will play music for 12 hours on a full charge . He has been using it for 3 hours . What percent of a full charge is left over ?

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.

How would you find the height of points on the circle? the topic is trigonometry.