Answer:
254.34 in.²
Step-by-step explanation:
area = πr²
given, radius = 9 cm
according to formula
→ 3.14 × (9)²
→ 3.14 × 81
→ 254.34 in.² ans.
hope this helps you !
Answer:
750 minutes
Step-by-step explanation:
there are 750 minutes in 12,5 hours hope that helps
Answer:
Step-by-step explanation:
2
x
2
+
5
x
+
3
=
(
x
+
1
)
(
2
x
+
3
)
Explanation:
2
x
2
+
5
x
+
3
=
2
x
2
+
2
x
+
3
x
+
3
=
2
x
(
x
+
1
)
+
3
(
x
+
1
)
=
(
x
+
1
)
(
2
x
+
3
)
[Ans]
2 and 3
negative numbers won't work, nor will 0
1 and 2 won't work because 1*8=2*4
2 and 3 is the answer