There is a 50% chance.
Explanation:
There is always a 50-50 chance that the coin will land on either heads or tails.
Answer:
D. 
Step-by-step explanation:
Consider the set
This set consists of four ordered pairs.
The first numbers in these pairs are 
These numbers are integer numbers (not natural, because -3 is negative).
The second numbers in these pairs are 
These numbers are integer numbers too (not natural, because -2 is negative).
Options contain only natural and real sets, so, the first and the second numbers are real numbers and
Answer:7.2+z=10
Step-by-step explanation:if I am right you just have to do the equacion
Answer: b , d , e ( hope this helps ) :D
Answer: inverse functions
Step-by-step explanation:
Inverse functions are symmetrical about the y=x axis. You could dot that line in by plotting points like (-4,-4) (-3,-3) (-1,-1) (0,0) (1,1) (3,3) etc. Then since you could fold the graph on that dotted axis and the two lines match up, you know they are inverses of each other.
