Answer:
B) 2
Step-by-step explanation:
There are 2 points of intersection
Answer:4
Step-by-step explanation:
Let a denotes the no of odd ball selected and b denotes the no of even ball selected
then 
for 
for 
for 
for 
thus X can take 4 values i.e. 9,10,11 and 12




Answer:
If we are solving for x it is:
x = 3y + 3
If we are solving for y it is:
x - 3 = 3y
3y = x - 3
y = (x-3)/3
Answer:
A, C, and D
Step-by-step explanation:
B is not a random sample.
Answer:
-60x+(-85y)
Step-by-step explanation:
we know that the shark (x) is 60 feet below sea level and the fish is 25 feet deeper so -60-15=-75
so
-60x +(-85y)