Paul Nagel invested some money at 4.5% simple interest and $7000 more than that amount at 2.5% simple interest. After 1 year, his total interest from the two accounts was $455. How much did he invest at each rate?

The sketch shows two parallel lines cut by a transversal. angle 2 2 is 36° 36 ° . what is the measure of angle 8 8 ?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm