Given: ABCD is a parallelogram;
AE 2 EC and ED A BE
Prove: AB || DC and AD || BC

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base