If the temperature is -3 degrees F at 10:00 p. M., and the temperature falls four degrees overnight, what is the resulting temperature?

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?