Part A : The diagram shows a line of best fit with a positive correlation.As the amount of guests increases the amount of pizzas increase supporting the positive correlation.
Part B : I haven't gotta clue sorry
I think you're supposed to do it likes this:
China:

Insert this in your calculator for every country and that's how you get the answer.
Answer:
the net of a triangular prism?
Step-by-step explanation:
Answer:
Volume, 
Step-by-step explanation:
It is given that,
Diameter of spherical boulder is 18 ft
Weight of spherical boulder is 8 tons.
We need to find the volume of spherical boulder. The formula of the volume of sphere is given by :

r is radius of spherical boulder, r = 9 ft
Substituting all values in above formula :

The volume of spherical boulder is
.
9x+12=5x+4
9x-5x=12-4
4x=8
x=8/4
x=2