PLEASE HELP QUICK!! The measures of some angles are given in this figure.
N
140
58M
What is mZN?
040
0 58
82
122


Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

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?