Area of the triangle = (1/2)(base)(height) = (1/2)(4)(5) = 10 square units.
The correct answer is A.
So if the number is positive then the opposite is negative, vice versa.
opposite of 4 is -4
opposite of -5 is 5
Petri dish A has 1080000000000000
Petri dish B has 270000000000
Petri dish a is greater by 1.07973E15
Hope that helped :)
Add 60 and 90 to get 150 then divide by 2 and get 75 which is the answer i believe.
The answer to this would be 40 because you multiply 12x0.30 and get 40 which mean 12 is 30% of 40 total
