Given: AQRS where m2Q = 20° and m2S = 90° R
1,000 meters
Q
S
What is the length of segment RS?
342 m
364 m
500 m
940 m

Three coins are flipped. what is the probability that there will be at least two tails?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

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