There are 3 black marbles and 4 red marbles in a bag.

c. what is the probability of picking a black marble, replacing it back in the bag, and then choosing another black marble? make sure to show your work!

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?

What is 96 divided by 7,488mark as brainliest

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square