Part A would be the second option, as well as part B
Answer:
the answer would be x=3,1
Answer:
46+5. 5×10+1. umm idk if this is ok
It's 21 square units. If you map it on a complex plane (x-axis is real numbers, y-axis is imaginary numbers) you'll see that the sides of the rectangle is 3 and 7 which multiply to 21.
