\begin{aligned} A.&&3(x+2)&=18 B.&&3x+6&=18 \end{aligned} A. 3(x+2) =18 B. 3x+6 =18 1) How can we get Equation BBB from Equation AAA?

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?

What is the range of the data below? .8090100

Need solving this second acceleration problem.