X=8
y=14-2x

solve the system of equation bye substitution

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

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?