Question

can yall help me please

Answer 1

Answer should be 25 because it is a square number

Answer 2

As we can see, there is an increase of 50 bricks as we go up each layer.

The general formula for number of bricks required to make n layers will be =
$50 \times n$
Let n be 5.
$50 \times 5$
$250$
Thus, 250 bricks will be used in 5 layers