I Will do anything for the right answer PLEASE Given quadrilateral A(2,-1) B(1,3) C(6,5) D(7,1), i want to prove that it is a parallelogram by showing opposite sides are congruent. What formula would i use? How do i show that AB is congruent to CD.

Name the most appropriate metric unit for each measurement like the mass of cow

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap