W=a+b+c+d+e would be your answer to the questions
Answer:

Step-by-step explanation:

Add 9 to both sides:


Subtract 6a from both sides:


Divide both sides by -8:


Our number system is in base 10. The ones place holds digits 0 - 9. When you reach 10, you must add another place value (the tens place).
Base 3 is digits 0-2 becasue when you reach 3, you need to add another place value.
Therefore, the smallest number is 0 and the largest number is 2.
Answer: smallest = 0, largest = 2
Answer:
Marcus score is 13.7, the mean is 12.89, and the standard deviation is 1.95, so I’ll do ( 13.7 – 12.89)/ 1.95, Since Marcus' z-score is 0.415. The area to the left of the z-score is 65.9% so therefore Marcus did scored better than 65.9% of the students. So Marcus needs to score 98% better of all the other students in order for him to receive an actual certificate.
Step-by-step explanation: