Which sentence is an example of distributive property

Solve the system by the elimination method. 3x - 2y - 7 = 0 5x + y - 3 = 0 to eliminate y, the lcm is 2. which of the following is the resulting equations? 1.3x - 2y - 7 = 0 5x + y - 3 = 0 2.3x - 2y - 7 = 0 -10x - 2y + 6 = 0 3.3x - 2y - 7 = 0 10x + 2y - 6 = 0

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=