Simplify 12 : 3 3/10 : 5.5​

Combined megan and kelly worked 60 hours. kelly worked twice as many hours as megan. how many hours did they each worked?

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression