Answer:
first one is A and the second one is B.
Step-by-step explanation:
Answer:
the same way Pythagoras Theorem
and sorry for the hand writing
Answer:
8
Step-by-step explanation:
Recall the formula for the population mean of a data set:

We already know that μ is 6 and the sum is 48. Substitute:

Divide both sides by 48:

Reciprocal of both sides:

Thus, there are 8 scores in the population size.
And we're done!
Answer:
63°
Step-by-step explanation:
TSU = 180 - 117 = 63