book Maths Puzzle Numerical Ability

Can someone tell me if I am right? A line in the Cartesian plane passes through the points(-2, 4) and (2, -1). What are the rise and the run of the line? Is the rise -5 and the run 4? Please, let me know if I am on the right track.

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book Other Question

Solving a linear equation: Problem type 2

Solve for x. Write your answer as a fraction in simplest form.

4/3x + 3/2 = 7/9

Please help me understand how to do this problem. A rectangular tank is 90 cm by 700 mm by 4 m deep. Determine the number of cubic decimeters of water the tank holds. Show all work.