Melinda ate breakfast and wanted to leave her waitress at 20% tip her meal cost $7.50 how much money should melinda leave for tip

(01.04 mc) an ice sculpture is melting because of heat. assuming its height changes bynegative 5 over 32m every hour, what will be the change in height after 4 hours?

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.

Anyone know? will mark brainliest if correct