Koshi runs in a circular path around a field so that he is always 40 yards
from the center of the field. If he
runs 4 laps around the field, what is
the toral distance Koshi runs?

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)