Lucia and her friends are going on a road trip that is 421.06 miles long. If they have 212.9 miles until their destination, how far have they already traveled? Answer in decimal form.

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?

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x

Which of the following circles have their centers in the third quadrant? check all that apply.