Answer:
4800
Step-by-step explanation:
length = 20mm X 3 = 60mm
width = 20mm X 4 = 80mm
area = length X width = 60 X 80 = 4800 m
I hope it helps you!
12 = 7+5 Hope this helps:)
F(x) = 2 means that the y intercept is 2 and f(2) means that for every x value you plug in 2.