Answer:
first one with -1...21
Step-by-step explanation:
only one that follows quadratic formula format
C as when they put more hours into the social media they will study less and less which leads to less test scores
Answer:
the mean is the sum of them all divided by the number of terms.
mean: 13
the mode is the element that occurs MOST in the data set.
mode: none
the median is the middle value of all of the numbers.
median: 9
