<span>B)
The sample that Mrs. Craig took was too small.
I'm assuming the question is asking why they were not the same percentage?</span>
Answer:
1 5/12
Step-by-step explanation:
4 1/4- 2 5/6= 1 5/12
Also 1 5/12+ 2 5/6= 4 1/4
Answer:
3x-1
Step-by-step explanation:
If you need an explanation let me know
Please mark as brainliest
To make something smaller and easier
Step-by-step explanation:
pythagoras theorem: c²=a²+b²
Where c= longest side of a right angle triangle
AB= 6+r = c
AD= 12 =a
CD= r =b
(6+r)² = 12²+ r²
36+12r+r² =144 +r²
12r+r²-r²=144-36
12r=108
r= 108/12
r=9
