Find the limit of the function algebraically. lim x->9 x^ 2 -81 x-9

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Which letters from the table represent like terms? a and b b and c a and d b and d