4x3/4= Pls hurry also show work

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9