Given line AB is parallel to CD and BC is parallel to DE, and C is the midpoint of AE prove that AB is congruent to CD/

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Simplify the rational expression. state any restrictions on the variable. t^2-4t-12 / t-8 the / is a fraction sign.

Anew movie is released each year for 14 years to go along with a popular book series. each movie is 2 minutes longer than the last to go along with a plot twist. the first movie is 70 minutes long. use an arithmetic series formula to determine the total length of all 14 movies