Find a formula for the total cost $T of c pens at $d each and e pencils at f cents each.

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.

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =