Answer: -2
Explanation: On the image we can see it goes down 4 units and right 2. Giving us the slope 
Simplified that is -2 which is the slope of the line
Answer:
The last one
Step-by-step explanation:
x can only have one value whereas y can be constants like in last graph
Answer:
Mean 6.25
Median 5
Step-by-step explanation:
Youre welcome
A/2-b/3=1 solve for a, add b/3 to both sides
a/2=1+b/3 which is equal to
a/2=(3+b)/3 multiply both sides by 2
a=(6+2b)/3 now you can substitute this into 2a+3b giving you:
2(6+2b)/3 + 3b which is equal to
(12+4b+9b)/3
(13b+12)/3
5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5
20 nickles
20•5=1.00