The mode of the data set is 78 because 78 shows up 3 times
-8*21
= -168
Hope this helped
Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Slope Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
Point (6, 5)
Point (5, 3)
<u>Step 2: Find slope </u><em><u>m</u></em>
- Substitute [SF]:

- Subtract:

- Divide:

This is not full question I think