He mean score for freshmen on an aptitude test at a certain college is540, with a standard deviation of 50. assume the means to be measured to anydegree 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 by

(a) more than 20 points
(b) an amount between 5 and 10 points? assume the means to be measured to any degree of accuracy.

The highest common factor of 132 and 220

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

Is the figure congruent? yes or no?