please mark me as brainlest
Factor
7
x
7
x
out of
14
x
2
14
x
2
.
7
x
(
2
x
)
−
21
x
7
x
2
x
-
21
x
Factor
7
x
7
x
out of
−
21
x
-
21
x
.
7
x
(
2
x
)
+
7
x
(
−
3
)
7
x
2
x
+
7
x
-
3
Factor
7
x
7
x
out of
7
x
(
2
x
)
+
7
x
(
−
3
)
7
x
2
x
+
7
x
-
3
.
7
x
(
2
x
−
3
)
Answer:
concentration
Step-by-step explanation:
Because concentration is a factor to how much of a volume to give
Answer:
<h2>10.9955742876</h2>
Step-by-step explanation:
Circumference is 2r × Pi. Circumference of half is 2r × Pi / 2