Estimating Sums of Single Digit Numbers
Which of the following represents the most accurate estimation of 4 + 8? is the answer 5, 10, 20 or 25
9g + 4m - 8g
9g - 8g + 4m
g + 4m
this is neither a geometric nor an arithmetic sequence
add 4, add 6, add 8
Since you have options, I would guess and check
n=2
2^2+2 =6
3(2)-1 = 5 no
(2+1) (2+2) =12 no
Choice A
The sum of the measures of angles in all quadrangles is 360 °. Therefore:

Answer:
4.24
Step-by-step explanation: