HELP ME PLEASE I NEED HELP WITH THIS

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled