Answer:
The Answer:
.
Step-by-step explanation:
x+2y=z
minus x both sides
2y=z-x
divide by 2 both sides
The Answer:

Hi, I think what you need to do is multiply 21 x 4 x 1/3. If you need help multiplying there’s a helpful website called Calculator Soup that is very helpful.
Answer:
s = 21 cm
Step-by-step explanation:
Square is s x s = area
So you just take the square root button of the calculator to find that 21 x 21 is 441.
Answer: No, the data provided is not sufficient evidence to conclude that the mean height of women in the city differs from the national mean.
Step-by-step explanation:
Since we have given that

Mean height = 61.5 inches
Standard deviation = 4.4 inches
n = 100
So, test statistic value would be

At 10% level of significance, in two tail test ,
z = 1.28
Since 1.28 > -2.727
So, we will accept the null hypothesis.
Hence, No, the data provided is not sufficient evidence to conclude that the mean height of women in the city differs from the national mean.