A line crosses the coordinates (-2,-5) and (3,5). What is the slope of the line?
1

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

If you answer 2+2 you will get over 80 points

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.