22. Part A: The graph of which equation below is a horizontal line? 1.) x. + y = 3
2.) y = 3
3.) x = 3
4.) x/y = 3
y
Part B: Explain in 3- 4 sentences why your equation in Part A is a horizontal line. Your answer should include at least 4 of the following words:
x-coordinate
y-coordinate
ordered pair
slope
y-intercept
slope-intercept form

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac