Answer: Rs 280
A dozen = 12
12 notebooks --> Rs 480
1 notebooks --> 480/12 =Rs 40
7 notebooks --> 40 * 7 = Rs 280
Answer:
A) Not mutually exclusive
Step-by-step explanation:
Given



Required
Determine if they are mutually exclusive or not
Mutually exclusive are defined by:

So, we have:

Take LCM


By comparing:
---- Calculated
---- Given
We can conclude that A and B are not mutually exclusive because:

Answer:

Step-by-step explanation:
We know that:


Remember:
450°=360°+60°
and:

Thus:

Then:

Answer:
audience's perspective of a story - please give brainliest
Answer:
B.
Step-by-step explanation:
(1,-8) sorry if you needed an explanation i am not good at that. Hope this helped!!