Answer:
The answer is C
Step-by-step explanation:
Reflecting across the y-axis is like folding across the y-axis.
2,-2, turns into -2,-2
Hope this helped!
Answer:

Step-by-step explanation:
H0: µ1 – µ2 = 0
HA: µ1 – µ2 ≠ 0
We have given,
The population variances are not known and cannot be assumed equal.
The test statistic for the test is

Where,
= sample meaan of population 1
= sample mean of population 2
= sample size of population 1
= sample size of population 2
Therefore, this is the test

Blue= 4
Orange=2
Hope this helped you! :)
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Answer:
87.6
Step-by-step explanation:
90 = 2.4 + x
x = 90 - 2.4
x = 87.6
13 and i cant see number 8