Arthur tells you that he is thinking of an irrational number between 4 and 5, and he wants you to guess what it is. One possibility you could guess is .

4.5
square 9
square 27
square 20

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

In the 30-60-90 triangle below side s has a length of and side r has a length

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?