What does 4r+6 represent in the expression

If y varies directly as x and y is 400 when x is r and y is r when x is 4

If p(x) is aa at x=-3 a at x= 5/4, ofbeof p(x)? a) p(x)=2(x+3)(5x-4) b) p(x)=(x+3)(5x-4)² c) p(x)=2(x+3)(4x-5) d) p(x)=(x+3)(4x-5)²

Me asap. i will mark you brainliest. 14 pts.1. quadrilateral tiny is a rhombus. find the length of in.2. the quadrilateral is a square. find the values of x and y.11. quadrilateral geom is a parallelogram. find m∠e.13. given that the quadrilateral is a kite, prove that δike ≅ δitethe pictures that go with the questions are attached.