Tell whether the sequence is arithmetic. If it is, identify the common difference. 1 '10' 19' 18

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Which graph represents the given linear function 4x+2y=3

Mrs. chibas is making chocolate chip cookies for her daughter's class. she bought a tub of chocolate chip cookie dough that contained 57.6 ounces of dough. if each cookie needs 1.2 ounces of dough, how many cookies can she make