The number of fruit flies in an experimental population after t hours is given by
Q(t) = 20e0.03t, t > 0. Find the initial number of fruit flies in the population.
A Q(72) = 173
B. Q(0) = 20e
C. Q(0) = 72
D. Q(0) = 20
E. None of them

It takes evan 6 3/4 to mow 3 lawns. it takes 2 1/3 hours to mow me. gals lawn and 1 3/4 hot mow ms. lee’s lawn. how many hours does it take evan to mow the third lawn?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?