35 POINTS! Please! Help me with my work, I am in great pressure right now!
Open the PDF and just answer the 3 questions with working out and I promise you brainliest!

By the way, it's pythagoras theorem.

THANK YOU SO MUCH <3333

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

For the equations below which statement is true ? -2x=14 6x=-42

Find an equation for the linear function which has slope -10 and x-intercept -7