Answer:

Step-by-step explanation:
This is the answer because it is subtracted so that you get the answer
It is systematic because they are going every tenth person
The answer is -2 you use the formula -b over 2a
Answer:
15 feet
Step-by-step explanation:
Answer:

Step-by-step explanation:
we have

we know that
If a ordered pair is a solution of the inequality
then
the ordered pair must be located on the shaded area of the solution of the inequality
Using a graphing tool
Graph the inequality and plot the points

see the attached figure
The point A is located on the shaded area
therefore
the point A is a solution of the inequality