What is the meaning of the underlined digit 648

Lines p and q intersect. find the value of b. show your work. cite any theorems you use.

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

What is the absolute value of the complex number -4-sqrt2i