If Khalil earns a monthly salary income of $3 800. How much would Khalid contribute to Canadian Pension Plan (CPP) each year?

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