I need help with this specific math problem. which expression is equivalent to S+8s+10s?

s+18 1+18s
19s or 17s I need help big time.

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Plzzz answer both questions and i will give you 100 points