[20 points] find 3 ordered pair that solve this equation: 5x-4y= -18

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y

Find the value of x. give reasons to justify your solutions! l, m ∈ kn