Plss help mee Ethan drew the diagram below with the points labeled as shown.

Which point shows where the perpendicular lines meet?

A. Point W
B. Point X
C. Point Y
D. Point Z​

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Angle a and angle b are both supplementary angles. what must be true about the angles?