A quadrilateral with only 2 right angles could be a trapezoid so Balavan is wrong. Denna is right because if 3 angles are right angles the the fourth angle must also be a right angle and has to be a square or rectangle.
Since none of the terms have the same variables the like terms would be (A) because they are both constants
180 cm is taller because 5ft 8in = 172.72 cm
12 is the greatest number because it is the highest common factor between the three numbers.
