How do the two integer chip models show that -9-(-4)is the same as -9+4

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

What is the upper quartile in the box plot?

Determine which postulate or theorem can be used to prove that lmn =nmo