For what value of a are the graphs of 5y = -2x + 10 and 3y = ax - 15 parallel?

Draw out the fraction then show how you would subtract 5 1/4

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.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300