One week alaina ran 12 miles in 131.25 minutes. the next, alaina ran 12 miles in 119.5 minutes. if she ran in a constant pace during each run, about how much faster did she run each mile in he second week than in the first week?

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 the measure of ac? 5 units 13 units 26 units 39 units

In the diagram below, tan θ = sqrt 3. what is the value of m?