Answer:
Positive, negative and no correlation
Step-by-step explanation:
because its going up its positive because it goes down its negative for the last one it’s random so no correlation
General formula for area of triangle is 
.
Where:
is height of triangle perpendicular to base side of triangle.
is the length of base side of triangle.
Multiplying and results in rectangle, dividing that by 2 gives you area of a triangle.
Hope this helps.
Grams
At least that is what we use in Mexico and in most Latin-American countries
A.
Circumference = π * diameter or
π * 2*radius (diameter = 2 * radius).
So you would divide by π to get the diameter, then divide by 2 to get the radius. So A.
