Round 1,129 to 2 decimal places.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Find two numbers if their sum is 91 and the ratio is 6: 7?