Aidan wants to run 10 miles. so far he has run 3/5 of those 10 miles. how many miles has aidan run

What is the result of adding the system of equations? 2x+y=4 3x-y=6

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables