How to solve this equation for the variable b a^2+b^2=c^2 ?

Firstly, subtract a^2 on both sides:

Next, we are going to be using the difference of squares, which is . Use this on the right side of the equation:

Lastly, square root both sides of the equation, and your answer will be

81 seats

step-by-step explanation:

if you multiply 0.65 times 125 then you get 81.5 seats. well since you can't have half of a seat you have to round down and get 81 seats in the no children zones. that leave 44 seats outside of the no children zone.