4 x a =
c x d =
3c x -2 =
-5t x 3a =
4c x 2e =

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

Ateam has p points. p = 3w + d w = wins d = draws a) a football team has 5 wins and 3 draws. how many points does the team have?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?