The answer you're looking for is B.
Answer: A
Explanation is the squares are go up 2 each and it’s 5 dots
Answer: √290 ≈ 17.029386366.
A triangle has 3 sides so, to find the perimeter times 0.75 by 3
You get 2.25
7x-15=-2
Move -15 to the rigjt side,
7x=-2+15
7x=13
Divide both sides by 7,
7x/7=13/7
x=13/7