Answer:
In the picture.
Step-by-step explanation:
I hope that it's a clear solution.
21/2 or 10 1/2
Answer: -x^2 + 15x
Answer:4x^2+22x-12
height=(2x+12)
base=(4x-2)
Area of =(base x height)/2
Area of =((4x-2)(2x+12))/2
Area of =(8x^2+48x-4x-24)/2
Area of =(8x^2+44x-24)/2
Area of =4x^2+22x-12
That's 60cm by 50cm
so that would be 4 cake tins
