Answer:
y=-5
Step-by-step explanation:
it is on the y line, so it is -5.
Answer:
Equation of circle is 
None of the options is correct
Step-by-step explanation:
Given: Graph
To find: equation of circle
Solution:
A circle is a locus of all points that are at a fixed distance (radius) from a fixed point (centre).
From the graph,
centre (a, b) = 
radius (r) = 4 units
Equation of circle is of form 

Answer:the mail is 51 the birds are 14 each
Step-by-step explanation:
I belive it's 5.

Because it's Distance divided by Time, because your finding speed.
Answer:
5 Graph. Place a for on the -2 on the Y axis. next count up 1 and right 1 and place a dot. Do the opposite going down and left. do this for however long you need.
6.
Y= -3x + 2
also not sure ;-;
7.
I think 2 and 4 but I'm not sure on this one ;-;
8.
Y = 16z (I believe)
8 days
9.
a. 2
b. 15 gallons
c. 7.5 hours
I tried my best. Hopefully this helps you :)