Cindy brings cheese and crackers to lunch every 4 days, ans brandy brings cheese and crackers every 9 days. if they both brought cheese and crackers today, how many days will it be before both giels bring cheese and crakers again? a: 4 b: 9 c: 18 d: 36

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?

Identify the number as a rational or irrational. explain. 127

Write the expression as a single natural logarithm. 2 in a - 4 in y