I mean, it depends what type of math you're doing but I can try!
Answer:

Step-by-step explanation:
Given
Represent number of DVDs with x


(at most)
Required
Represent as an inequality
If 
x DVD would cost:


So, to make an order of x DVDs, Deacon will pay for
x DVDs and Handling Fee
So:

Recall that his budget is at most $75
This implies that: 
So, the relationship between his payment and budget is:

Answer:
6 and 7
Step-by-step explanation:
You first want to find the factors of 42. They are:
1,2,3,6,7,14,21,42
The factor pairs are:
- 1 & 42
- 2&21
- 3&14
- 6&7
The only factor pair with consecutive numbers is 6 and 7. They are both less than 10 as well, so 6 and 7 works.
Answer:
8 yards
Step-by-step explanation:
8 yards
on first down it was first and 10 but gained 7
on second down it was second and 3 but lost 15
third down would be 3rd and 18
15-7=8
Mutually exclusive means that the intersection of the events is empty: P(S and T) = 0.
P(S or T) = P(S) + P(T) = 29% + 49% = 78%
If events S, T are not mutually exclusive, then P(S or T) = P(S) + P(T) - P(S and T)