Your percentage of change would have to be about 21.05, but the full answer is 21.05263. Since we are going to need to round to the nearest percent, you would have 22% decrease. The difference in the change is -20.
A) 0.15 times $2,570 = $412.50
B) $122.85 times 2( 12 ) = $2,948.40
C) $2,570
D) All together it's $2,948.40 + $2,570 = $5,518.40
For D I didn't add the down payment because it's not an additional charge.
I only did the first one because I don't know if you want me to finish the rest.
Hope I helped :)
For this case what we must do is find the speed of Esmeralda.
For this, we look for the rate of change of the function
We have then:

Substituting values:

Rewriting:


Answer:
Esmeralda's average rate during her trip is 5 miles per hour.
Answer:
1.3 < x < 6.7
Step-by-step explanation:
minimum
4.0 - 2.7 = 1.3
maximum
4.0 + 2.7 = 6.7
-------------------------
1.3 < x < 6.7