Step-by-step explanation:




Answer:
square
triangle
5
square pyramid
find area of base and area of a lateral face (base is 1 side squared, lateral face is base * height / 2. Multiply area of lateral face by 4 and add the product to the area of the base to find the Surface Area.
Step-by-step explanation:
Answer: The range is 16 :)
Step-by-step explanation:
The lowest number is -9 and the highest is 7. the difference between those is 16.
-9 + 10 over 4 = -7
1/4 = -7
1/4 does not equal -7
The standard deviation of a particular sample is equal to the standard deviation divided by the square root of the sample size. That is,

The mean of a particular sample is equal to the mean of the set the sample was taken from. That is,
