What is the area of a parallelogram with a height of 7 feet and a base of 12 feet?

19 ft2
38 ft2
42 ft2
84 ft2

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?