Your friend tells you that the length of the line is 8 units. You know this is wrong. Explain to your friend why he is incorrect. Clearly explain where your friend made their mistake, but do not correct it.

Solve the system of equations. y= 2x y= x^2 - 15

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.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?