The length of a rectangle is 4 inches less than its width and the area is 21 square inches. Find the smallest dimension of the rectangle.

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2