Write the equation of the line that passes through the points (7, -9) and (2, -7). Put your answer in fully reduced point-slope form, unless it is a
vertical or horizontal line.

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?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?