8. A truck drives down a 25-meter decline. The angle of depression of the decline is 21° How high is the truck above ground level?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Place the following steps in order to complete the square and solve the quadratic equation,

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi