6. How much heat is lost cooling 25 grams of water from 90°C to 45°C?

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal