To practice writing the equations of horizontal parabolas, write the equations of these two parabolas in vertex form: focus at (4, 3), and directrix x = 2
focus at (2, -1), and directrix x = 8

(The other info is in my other questions)

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

Which graph represents the linear function below? y-3=1/2(x+2)

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so