Given p(t)=//5)) use symmetries of the circle to find the following: (a): p(t-pi) (b): p(-t-pi) this is trig the question is part a and b

It says factor each expression 49x-28?

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.