Which of the following is NOT an example of a repeated-measures design? a researcher tests the memory performance of students before and after their first year of high school

a researcher tests symptoms of anxiety before and after a new therapeutic treatment

a researcher measures self-perception before and after participants take a Zumba class

a researcher tests whether individuals from Generation Z use social media in ways that are different from Millenials

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation    represents the sum of the two numbers.the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers.the equation    represents the sum of the two numbers.the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll