Answer:
3³
Step-by-step explanation:
Using the rule of exponents
= 
Given

= 
= 3³
Answer:
The first choice
Step-by-step explanation:
Perpendicular lines intersect to form right angles, like the x- and y-axis on a coordinate plane.
Answer:
No
def of independent is P(A)*P(B) = P(A and B)
.2*.4 = .08 thus dependent
Step-by-step explanation: