How do you solve the problem attached?

Your family has $745 for vacation. they spend 40℅ of the money on a hotel. they spend the remaining 1/3 on food. enter the amount of money your family will have left for activities

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9