Can y’all help me with please I only need this question

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.