Using Heron's formula:
A = √(p(p-a)(p-b)(p-c)) where a,b,c are the sides of the triangle and p is half the perimeter.
The answer is B. 149.4 square units.
The answer is A( +7) x (-5)
Y= X divided by 1000
Y= X/1000
Hope it works! Good luck!
All methods are supposed to be correct in most if not all situations and it should not matter if you use a different method given the options
It’s 225,000,000= 225 million
