Simplify the following expression 3 11/5 ÷ 3 -9/5
A. 12
B.1/81
C. 81
D. 1/12

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent