To solve, we use the volume of a square pyramid formula which is expressed as the product of the area of the base (a²) and the height divided by three(h/3).
Volume = a² (h/3) 1024 in³ = (a²) (12 in/3) a² = 1024 in³ · 3 /12 a = √256 in² a = 16 in
You shouldn't blame your mom. You are more than capable of getting 80's that is the bare minimum. Your mom does not want you to fail, try harder and get better grades. 70's are not the best