Answer:
±4
Step-by-step explanation:
The margin of error in a confidence interval is half the range:
(84 - 76) / 2 = 4
So the margin of error is ±4.
Answer:
48 ft³
Step-by-step explanation:
To find the height, you can use the slant height and the base.
Using the Pythagorean Theorem and 3 as the triangle's base,
a²+b²=c²
3²+b²=5²
9+b²=25
b²=16
b=4
The height of the pyramid is 4.
Volume formula for the pyramid is 
Inserting our measurements:

Answer:
11
Step-by-step explanation:
hope this helps with the work
Answer:
1. 1st Quadrant
2. 3rd Quadrant
3. 2nd Quadrant
4. 2nd Quadrant
5. 4rth Quadrant
6. 2nd Quadrant
7. No they do no correspond to the same point.
Step-by-step explanation:
1st Quadrant : ( positive , positive )
2nd Quadrant : ( negative , positive )
3rd Quadrant : ( negative , negative )
4th Quadrant : ( positive , negative )