Answer:
D = -1, -1, 2, 5
R = 0, 2, 3, 7
✅It is NOT A FUNCTION
Step-by-step explanation:
D (Domain) = input values (x-values)
D = -1, -1, 2, 5
R (Range) = output values
R = 0, 2, 3, 7
✅It is not a function because an x-value, -1, has two different y-values, 7 and 2, assigned to it.
M + 5n = 7
subtract 5n from each side
m = -5n + 7
Answer:

Step-by-step explanation:
From the Venn diagram, n(AUB)=31
The given probabilities in the option are calculated below:

The only correct option is the probability of B which is 
Answer:
1
Step-by-step explanation:
3-1=2
2-1=1
1-1=0
From this we can see that the constant rate of change is 1.
Hope it helps <3
100 cm = 1 meter
80 cm = 0.8 meter
200 meters/.8 meters = number of boards
250