Answer:
x=6/25 or decimal = x=-0.24
Step-by-step explanation:
The amount of balls in a given layer can be found by squaring the layer it is in
4 layers
top layer (1st) is 1
2nd is 4
3rd layer is 9
4th is 16
add them up
1+4+9+16=30
30 in that pyramid
Answer:
£8400
Step-by-step explanation:
Answer:
D. -11/12
Step-by-step explanation: