1. 20 cm by 20 cm by 6 cm
2. 40 cm by 30 cm by 2 cm
Hope this helps
A. you are given that f(1)=5 therefore f(1) cannot also equal 1 unless it is a different equation.
I can't see the question it's blurry
<span>4−(2x+4)=5
4 - 2x - 4 = 5
-2x = 5
x = -5/2
x = - 2.5</span>
