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>
Let’s find the area of Ells room.
78•96
7,488
Let’s find Sarah’s room.
66•108
7,128
Now add their area together.
14,616 inches squared.
Answer:7
Step-by-step explanation:
Because 3x7=21.
Answer:
Step-by-step explanation:
If 65% equals 147
Then to maintain 70% there is a need for 5% more
<u>Which equals</u>
Answer:
Step-by-step explanation:
1) elimination
2) elimination
3)add
4)subtract
5) Variable
6) add
7) eliminate
8) subtract
9) eliminate
10) adding
11) adding
12) 2
13)2
14) 0
15) (2 , 0)
16) (2 , 0)
17) solution