Answer: 
Step-by-step explanation:
According to the given information, we have
Sample size : n= 50
Since population standard deviation is unknown, so we use t-test.
Critical value for 95 percent confidence interval :
Confidence interval : 
Required 95% confidence interval :
Answer: 0.73^9
Step-by-step explanation: Khan
This is an isosceles right triangle (AB = BC & ∠ B=90° - Given)
Then the angles at the base are equal and ∠ CAB = ∠ ACB = 45°
Theorem: Segment DE, joining the midpoints of 2 sides is:
1st) parallel to the 3rd side and
2nd) equal to half the measurement of the 3rd side
So if the 3rd side (hypotenuse) = 9 units, DE = 9/2 = 4.5 units
Your question is in the wrong category but I will try to help. 1. objective 2. awards 4. skill summary I've been really thinking about 3 and 5 because of their close. I think it might be 3. education maybe?
His equation could be written in quadratic form, which is ax^2+bx=c
