Answer:
Step-by-step explanation:
-5x + 5
The cost should be the same on day 3
Answer:

Step-by-step explanation:
Width=(Length-2) units
W=(L-2) units
Area of the rectangle= 35 square units
Area = length* Width

Subtracting 35 both sides:

Solving the quadratic equation for 'L' ;
Using factorization:

Taking common from the equation :

OR

The length cannot be negative, therefore Length(L)= 7


Her dance class is 1 hour and 45 minutes long
Hope this helps!