2 sandwiches and 3 croissants costs £11. 3 sandwiches and 6 croissants costs £19.50.
Find the cost of a sandwich.
Find the cost of a croissant.

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

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

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?