Please help me find this answer in The answer is in but I can't open it. Please help me! The midpoint of the diagonal of a square is 2 units from the vertex of the square. Calculate the area of the square.

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.