.20 is the correct answer because 100-99.80
Answer:

Step-by-step explanation:
The scale factor (C) is the ratio of corresponding parts of the two pyramids.
The ratio of the areas is the square of the scale factor.

Answer:
Step-by-step explanation:
So let's think about what values you can take square root of...
anything but negative values!
So the first one is not correct because you can also take square root of 0,
squareroot of 0 is 0.
So because of this, C and D are both correct, E is correct because root x is an increasing function. B is incorrect because (0,0) is an intercept.
There are 5 data values.
Mean = (22 + 37 + 49 + 15 + 83) / 5 = 41.2
Answer:
230
Step-by-step explanation:
20x11=220
20x0.5=10
220+10=230