Answer: most likely to be C
Step-by-step explanation:
I can’t see the triangle but I can tell that’s the answer
Answer:
The value of the test statistic is 
Step-by-step explanation:
The formula for the test statistic is:

In which X is the statistic,
is the mean,
is the standard deviation and n is the number of observations.
In this problem, we have that:

So



The value of the test statistic is 
Step-by-step explanation:
can you please add details to your question
Answer:
The height is 7 cm
Step-by-step explanation:
210 × 2 = 420
12 × 5 = 60
420 ÷ 60 = 7
Answer:
B) Aluminum and steel are good conductors of electricity.
Step-by-step explanation: