Answer:
G= -2/x, x
0
X= -2/g, g
0
Step-by-step explanation:
Y=5x-4
3y=15x-8
3(5x-4)=15x-8
15x-12=15x-8
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Therefore, there is no solution.
Answer:
c185
Step-by-step explanation:
trust me m8 I'm 21 I wont steer you wrong
Answer:
the first one
Step-by-step explanation:
Answer:
Option B) 9.1
Step-by-step explanation:
We are given the following in the question:
Average score = 490.4
Standard deviation = 63.7
Sample size, n = 49
Formula:

Putting values, we get,
Standard error =

Thus, the correct answer is
Option B) 9.1