Parallelogram abcd is reflected over the x-axis. what rule shows the input and output of the reflection, and what is the new coordinate of a'?

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Do 12/14 and 8/10 have the same value? explain your answer.

Which of the following best describes the delian problem?