What two numbers have a product of -15 and a sum of -2​

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14