Assuming the speed of sound is 339 m/s
a) how far away in km did the lighting strike if it takes 5.5 s to hear the thunder after the flash?
distance =
km
b) how far away is the canyon wall if it takes 4.7 s to hear the echo after you yell?
distance =

What is the definition of exponential decay?

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Find the zeros of each function. f(x) = 6x^2 - 7x - 20