Help please thank you!

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

How many solutions does the nonlinear system of equations graphed below have?