For what values of x and y must ABCD be a parallelogram?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.