Penn stacks all his snowballs in a square pyramid. the number of snowball, p(n) in n layers of the square pyramid is given by p(n)= p(n-1) +n2

which could not be the number of snowballs penn has?

a: 5

b: 30

c: 25

d: 14

C: 25

Step-by-step explanation:

P(n)= P(n-1) +n²

P₁ = P₀ +  1² =  0 +  1  =   1

P₂ = P₁  + 2² =  1  +  4 =   5 (Option A)

P₃ = P₂ + 3² =  5 +  9 =  14 (Option D)

P₄ = P₃ + 4² = 14 + 16 = 30 (Option B)

The number of snowballs cannot be 25.

step-by-step explanation:

it's is b

4x and 6y

im not sure though