You can double the product of 9 and 4 to get to the product of 9 and 8
11, because 11 times 1 is 11 and 11 times 4 is 44.
Area = (5x + 4)(4x - 4)
= 20x^2 - 20x + 16x - 16
= 20x^2 - 4x - 16 Answer
Its G
It looks like an equilateral triangle if I am correct then angle C equals 60 degrees
The answer is A. h + 3s = 35 and 2h + s = 20