Arectangle is twice as long as it is wide. its width is 5 1/2 cm. find the perimeter of the rectangle.* show work*

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.