Answer:
64.
Step-by-step explanation:
There are 8 digits in the list.
This will be the number of permutations of 2 from 8 plus the duplicate numbers 11, 22 etc.
So we have 8P2 + 8 possibilities.
= 8! / (8-2)! + 8
= 56 + 8
= 64.
Answer:
skewed to the left
Step-by-step explanation:
when you look at the graph, you look for where the peaks are. if the peak is not centered, it is skewed. in this case, it leans towards the left. hope this helps :)
It is known

and

(if you want to determine cosine of 30° you should draw the perpendicular line to the x-axis and find the point of intersection, the value of x-coordinate is the cosine of 30°).
The angle

and

(see image).
The angle

and

(see image).
The answer is a cause Alan
Answer:
a
Step-by-step explanation:
the answer is a