Answer:
6, 10, 8
Step-by-step explanation:
aₙ= aₙ₋₁ - (aₙ₋₂ - 4)= aₙ₋₁ - aₙ₋₂ + 4
a₅= -2
a₆= 0
-----------
aₙ₋₂= aₙ₋₁ - aₙ + 4
- a₄= a₅- a₆ + 4 = -2 - 0 + 4 = 2
- a₃= a₄ - a₅ + 4 = 2 - (-2) + 4 = 8
- a₂= a₃ - a₄ + 4 = 8 - 2 + 4 = 10
- a₁= a₂ - a₃ + 4 = 10 - 8 + 4 = 6
The first 3 terms: 6, 10 and 8
Answer:
there are 40 boys
Step-by-step explanation:
32/4=8 5*8=40
Answer:

Step-by-step explanation:
we know that
The phrase " the sum of x and 8" is equivalent to adds the number x and the number 8 or sum the number x plus the number 8
so

What is the length of the longest lead? 1 3/4
What is the length of the shortest lead? 1/4
What is the difference between the longest lead and the shortest lead? 1 1/2
What size lead did most students have? 1/2
What was the sum of the two shortest lead lengths? 3/4
What was the difference between the second shortest and the longest lead? 1/4