If the flour to sugar ratio is 5 cups flour to 1 cup sugar, then how much sugar is needed if only 2 cups of flour are used? (give the answer as a fraction)

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2