Can someone do the bottom for me? please use the Pythagorean theorem pls and ty :3

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0