It takes Kate 18 hours to build a treehouse. If she and Mario work together, they can finish building a treehouse in 17 hours. Find the number of hours, h, that it will take Mario to build a treehouse by himself.

Use the graph to determine the range. which notations accurately represent the range? check all that apply. (–∞, 2) u (2, ∞) (–∞, –2) u (–2, ∞) {y|y ∈ r, y ≠ –2} {y|y ∈ r, y ≠ 2} y < 2 or y > 2 y < –2 or y > –2

Is this a polynomial function? i need to know asap

What is 1/3x5 on anuber line what does it look like on a number line