18. the scatter plot shows the study times and test scores for a number of students. how long did the person who scored 81 study. write a function rule that relates meters to yards.

if you find 81 and follow it across you will get 50 min.

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9

answer: im gonna go with milli

step-by-step explanation: