Matt has 3 dark t-shirts and 6 white t-shirts. First, he will close his eyes to select a shirt. If the shirt is dark, Matt will wear black pants. If the shirt is white, Matt will
toss a coin. If the coin lands on heads, he will wear jeans. If the coin lands on tails, he
will wear shorts.
What is the probability that Matt will wear a white shirt to school?

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?

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!