Which function models the area of a rectangle with side lengths of 2x – 4 units and x + 1 units?

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?