Either A or C since the slopes are different.
400*0.84= 33.5 Euros
If Margo exchanges $1 at 0.84 euro then $400 would be 33.4 Euros
Answer:
25 percent
Step-by-step explanation:
to get percent you need a fraction of something over a hundred. To get there, you simplify this to 1/4, then go to 25/100, so 25%
Answer:

Step-by-step explanation:
Let

Differentiating y with respect to x

where a and b are constants