Send the pic again in clear
D) 2:1 because long leg will be bigger, and small leg will be smaller, e.g. Long Leg(2): Small Leg(1)
It can help you buy the least amount of something
example: i need to buy enough bread to serve 24 people 1 slice of bread what is the least amount of packs of bread i can buy if each pack contains 7 slices.
you could buy 3 packs and they contain 24
2x - 4y + 3x² + 7y - 16x
3x² + 2x - 16x - 4y + 7y
3x² - 14x + 3y
the answer is D.
X + 9 = -12
x + 9 - 9 = -12 -9
x = -12 -9
x = -1(12+9)
x= -1(21)
x = -21