DEFG is a Rhombus. G has the coordinates( 9, 1)
The equation of diagonal DF is y = 1/2x - 1

Find an equation of the diagonal EG.
Give your answer in the form of y = ax + b

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

What describes horizontal cross section of the right rectangle 6m 8m 5m

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.