Which would be a better estimate of the capacity of the aquarium: 40 quarts or 400 quarts?

Which system of linear inequalities is graphed? can somebody please

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

F(x)=5/6x+3 which of the following is true