Answer:
It's correct!
Step-by-step explanation:
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
D. 2.0 I think it's the correct answer...
Answer:
11cm
Step-by-step explanation:
True ,When working at a computer, place a bright light so that it faces the computer screen and produces a glare.