WILL MARK BRAINLIEST IF GOTTTEN RIGHT

If 3x+8=3x+8 is it one solution or no solution

Answer this question i need as soon as possible

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