Two small planes start from the same point and fly in opposite directions. The first plane is flying 45 mph slower than the second plane. In 3 h, the planes are 795 mi apart. Find the rate of each plane.

Abcd is a parallelogram. the diagram is not drawn to scale. if m

Identify the number as a rational or irrational.explain. 127

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