Lisa is cooking muffins. the recipe calls for 7 cups of sugar.   she has already put in 2 cups.   how many  more cups does she need to put in?  

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

Which of the following contains a variable?