HELP PLSSS THIS IS HARD SOMEONEEE

Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

If square root x = -7, then x= -49 true or false