Answer:
2
Step-by-step explanation:
10/16 ÷ 5/16
0.625 ÷ 0.3125
2
3x + 5 + 4x =180
7x + 5 = 180
7x = 175
x = 25
3(25) + 5
75 + 5
80
KL = 80
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➷ Standard deviation = 
Substitute the values in:
= 8.1975...
This can be rounded to give an approximate answer of 8.2
The answer is option A.
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Answer:
-2
Step-by-step explanation:
Subtracting a negative number is adding the positive number of that
-3 + 1 += -2