Answer:
D
Step-by-step explanation:
Reflection over the X-axis
All point passes, (x,-y)
Step-by-step explanation:
ar of quadilateral
=16×7×7×20
=12080cmsq
Answer:
a) 
b) 
Step-by-step explanation:
From the question we are told that:
3 coin are tossed
Therefore
Sample space 
Generally the sets that correspond with the result of at most one tail is therefore given as follows

Therefore
The result is at most one tail when

The answer is C because "dropped" means minus so it is asking: 2-5 which should be -3 not -5.
Answer: The answer for the question is: 1 5/8
Step-by-step explanation: