Which postulate or theorem, if any, could you use to prove the two triangles congruent? if there is not enough information to prove the triangles congruent, write not enough information. click on pic to enlarge. i really need in you can solve that would be great

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30