Tara ran the total of 300 miles over the course of 60 tracks practices. How many track practices would it take for Tara to run 960 miles?Assume the relation is directly proportional.

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

3x + 4y = 5 x- 3y = -7 solve by substitution