Answer:
20 or D.
Step-by-step explanation:
You simply plug in the values given for a and b:

So, your answer is 20.
The answer is D because it is a negative association
Answer:
1. $8.77
2. 498.456
Step-by-step explanation:
Answer:
A number times five is greater than fifteen. A number less negative seven is less than or equal to five. The difference between a number and seven is less than zero. The sum of a number and seven is greater than or equal to fifteen.
30.8 add it all up and divided how ever many number there are