Answer:

General Formulas and Concepts:
<u>Pre-Alg</u>
- Order of Operations: BPEMDAS
<u>Alg I</u>
- Slope Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
Point (2, 6)
Point (1, 9)
<u>Step 2: Find slope </u><em><u>m</u></em>
- Substitute:

- Subtract:

- Divide:

A) 0.2076
B) 0.6786
C) 0.3214
Explanation:A)

B) We find the probability that X=6, 7, or 8:

C) P(X≤5) = 1-P(X>5) = 1-0.6786 = 0.3214
Answer:
3 and 4
Step-by-step explanation:
4. 28/105 is what it is trying to explain
3. -3/12 is what it is trying to explain
Answer:
0.20035667433
Step-by-step explanation:
It's a good idea to get into the habit of using <u>parentheses</u> when substituting numbers in for variables.
Since <em>a = -3</em> and <em>x = 3</em>, 5a - x is 5(-3) - (3).
5(-3) is -15 and we have (-15) - 3 which simplifies to -18.