the areas of similar triangles δabc and δdef are equal. if the longest side of δdef measures 25 units, what is the length of the longest side of δabc?

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Simplify the expression below -3(10x+4y)+6(6x-2y)

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