L= {0, 20, 40, 80, 100}
m = {5, 10, 15, 20, 25}
n = {10, 20, 30, 40, 50}
sets l, m, and n are shown above. which of the
following sets represents lu(mnn) (the union of l
with the intersection of sets m and n)?

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?

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Write 17/20 as a decimal and as a percent.