The answer to your problem is 11
Answer:
Step-by-step explanation:
The second one I believe.
Answer:
225 miles
Step-by-step explanation:
We start by converting it into a fraction, then multiply by the quantity

Answer:
b) (5, -3)
Step-by-step explanation:
The given equations are;


I prefer using substitution because of the first equation.
Put equation (1) into equation (2) to obtain;

We expand the parenthesis to obtain;

Group similar terms to get;

Simplify

Divide through by 5;


Put
into equation (1) to get;


The solution is (5,-3).
The correct answer is B