What number should be added to the expression x^2+4x to change it into a perfect square trinomial?

1

2

4

8

The graph of g(x) is a translation of y = which equation represents g(x)?

Match each inequality to the number line that represents its solution

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.