Answer:
Glen is correct.
Step-by-step explanation:
Glen is correct because when you multiply 4 * 2 = 8.
And 4 * 3 = 12.
3 - (7a + 1) =
3 - 7a - 1 =
-7a + 2 <===
Answer:
12
Step-by-step explanation:
I think the answer is 6mbecause 6 times 2 equals 12 so maybe that's the answer
Answer:

Step-by-step explanation:
We have,
Radius of the circle is 12 cm
Arc length, l = 21 cm
It is required to find the central angle of the circle. The formula for the length of an arc of a circle is :

is central angle

So, the angle at the centre of the circle is
.