(a) Which of the following surveys probably would best represent the entire population of seniors?
50 student council members are randomly selected; 44 plan to go to a 4-year
college.
O 50 seniors are randomly selected; 34 plan to go to a 4-year college.
50 honor roll students are randomly selected from the senior class; 42 plan to
go to a 4-year college.

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?

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Three consecutive integers have a sum of 234. what are the three integers