Match each pair of points a and b to point c such that abc = 90°.
a(3, 3) and b(12, 6)
c(6, 52)
a(-10,5) and b(12, 16)
c(16, -6)
a(-8, 3) and b(12,8)
c(18,4)
a(12, -14) and b(-16, 21)
c(-11, 25)
a(-12, -19) and b(20,45)
a(30, 20) and b(-20, -15)

Do 12/14 and 8/10 have the same value? explain your answer.

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

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