Answer:
x+3
Step-by-step explanation:
sqrt(x^2+6x+9)
factor
We know this is a perfect square trinomial
sqrt(( x+3)^2)
Taking the square root of a square
Explanation:
This is because
distance = speed*time
the answer is 401.45
First Box: x ft
Second Box: cross multiply
Third Box: 1/4
I did it on edg