What’s 2+ 2 times 40 times 70

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?

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.