Answer:
21
Step-by-step explanation:
Add 34 to both sides.
14x = 11x + 63
Subtract 11x from both sides
3x = 63
Divide both sides by 3
21
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The first picture about the 2 3/4 the answer is c. think of how 4 quarters can make a dollar, 3/4 being 3 quarters out of a dollar, then you can ask yourself how much is 3 quarters (.75) and with 2 being a whole it would leave you with 2.75 being equivalent to 2 3/4 <span />
Work out the z scores for 51 and 54
z1 = (51 - 57.5) / 6.5 = -1
z2 = (64 - 57.5)/6.5 = 1
from tables of normal distribution this value os 3413 + 3413 = 68.26%
so the answer is c
Answer: B
Step-by-step explanation:
because it has nothing to do with the question