Simplify the expression

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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.

One positive number is 9 more than twice another. if their product is 95, find the numbers