The mean score for freshman on an aptitude test at a certain college is 540, with a standard deviation of 50. assume the means to be measured to any degree of accuracy. what is the probability that two groups selected at random, consisting of 32 and 50 students, respectively, will differ in their mean scores bya) more than 20 points? b) an amount between 5 and 10 points

Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem