42 x 28 = (40 + 2) x (20 + 8) = 40 x 20 + 40 x 8 + 2 x 20 + 2 x 8
= 800 + 320 + 40 + 16
Answer:
The equation that represents the Pythagorean Theorem would be 
Step-by-step explanation:
Answer:
b=-3
Step-by-step explanation:
hope this helps!
Answer: b
Step-by-step explanation: your welcome if its right
:)