Basically everything is in the picture PLEASE HELP me with those THREE questions ASAP ​

but if you dont get a answer i know you have to find the triangles area first and then you find the full rectangle subtract the triangle

Step-by-step explanation:

the solution is 12x-6y

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: