John can play 12 songs on the guitar and he learns 1 new song each week. Aiden can play 4 songs. but he learns 2 each week. How many weeks (w) will it be before Aiden knows as many songs as John?

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?