4. The figures below are similar. What is the length of x?
15 in
6 in
4 in
10 in
8 in
X
help pls

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

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how