Answer:

Step-by-step explanation:
Given




Required
The rate of change (b)
The above graph is represented as:

For:
;
We have:





For
,
We have:



Substitute 

Divide by 2


<em>Hence, the rate of change is 2.50</em>
Answer:
27.74 is the difference
Step-by-step explanation:
23.3° C - (-4.44° C)
23.3 + 4.44
27.74
If you can graph in slope intercept, your new equations would be: y= -2x-1 and y= 2/3x-3.
Just graph those now since it should be easier.
Answer:
4,060,000,000
Step-by-step explanation:
Take 4.06 remove the decimal then add a zero for the number beside ten. So 10^7 add 7 zeros behind 406.
Answer:
Step-by-step explanation:
7.40 for 5 pounds
7.40/5= 1.48 a pound