I know it's very trifling of me to ask this but, I do not understand. If can so much as help me with just a few that would save me a lot.

Percent increase

1. %

2. %

3. %

4. %

5. %

Step-by-step explanation:

1. $5 to $8

%

2. From 20 students to 30 students

%

3. From 86 books to 150 books

%

4. From $3.49 to $ 3.89

%

5. From 5 mile to 16 mile

%

y/x=18

step-by-step explanation:

x -

median = 1.25

range = 12-14.5

interquartile = q12-q14.5

y -

median = 1

range = 15-17

interquartile = q15-q17