Answer:

Step-by-step explanation:
We need to find the value of
.
C stands for combination.
The formula of combination is as follows :

Here,
n = 19 and r = 1
So,

So, the value of
is 19.
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Answer:
The domain is -7, 0, and 5
The range is -1, 0, and 8
Step-by-step explanation:
The domain of a set of points is the x-value. In this case the x-values are -7, 0, and 5 respectively. The range of a set of points is the y-value so in this case the range is -1, 0, and 8.
Answer:
-21
Step-by-step explanation:
3x-5=2
4x 2=2
2x-3=2
add them together you will get -21
The scientific notation:


Used:

Answer: (4 × 10⁸)² = 1.6 × 10¹⁷