Please I mark you as (brainlist) if you complete it and if there correct

If eh = hg and hg=16, find the diameter of k

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)

Arestaurant added a new outdoor section that was 8 feet wide and 6 feet long. what is the area of their new outdoor section