How can positive feedback influence the behavior of a system? A. It can cause the system to maintain a constant output.
B. It can cause the system to decrease its input more and more.
C. It can cause the system to increase its output more and more.
D. It can cause the system to more efficiently convert inputs into
outputs.

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

Determine the maximum r-value of the polar equation r =3+3 cos 0

An impulse is the product of the on an object and time during which it is applied