Expand −5/6(9b−12) .

To expand -5/6(9b-12), we distribute -5/6 to each term inside the parentheses.

-5/6 * 9b = -45b/6 = -15b/2

-5/6 * -12 = 60/6 = 10

Therefore, -5/6(9b-12) = -15b/2 + 10.