Answer:
6b^2 +4b
Step-by-step explanation:
The area of a triangle is
A = 1/2 bh
A = 1/2 * (3b+2) * (4b)
=1/2 (12 b^2 +8b)
= 6b^2 +4b
4x+28
Yes, 4 squared is a rational number.
4 squared = 4 x 4 = 16
i dont know
....