The right amount to test would be 30.
200 is to many kids and 12 is not enough.
Hope this Helps!!
When hav epoins (x1,y1) and (x2,y2)
slope is (y2-y1)/(x2-x1)
(-3,4) and (5,-1)
slope=(-1-4)/(5-(-3))=-5/(5+3)=-5/8
slope=-5/8
Answer:
Infinitely Many Solutions
Step-by-step explanation:

Answer:
Increases, increase
Step-by-step explanation:
Density is M×V, meaning if one goes up and one stays the same, it goes up.
Answer:1,000
the middle graph
Step-by-step explanation: