What is the upper and lower quartile of this set of data? 15, 19, 20, 25, 31, 38, 41

Explain in a minimum of 2 sentences how to graph the equation of the absolute value function given a vertex of (-1,3) and a value of “a” equal to ½.

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?

Look at the figure xyz in the coordinate plane. find the perimeter of the figure rounded to the nearest tenth.