Find the area of the kite or rhombus

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!

Which representation has a constant of variation of -2.5

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?