Question

does anybody go to connextions academy and know this??
1. Solve the system by substitution.


(1 point)(3, 5)
(–5, –3)
(–3, –5)
(5, 3)

2. Solve the system using elimination.


(1 point)(2, 1)
(0, –2)
(–2, 0)
(1, 2)

3. What is the solution of the following system?


(1 point)(2, 1)
no solutions
(–2, –1)
infinitely many solutions

4. What is the solution of the following system?


(1 point)(–3, –4)
no solutions
infinitely many solutions
(3, 4)

5. A group of 45 people attended a ball game. There were twice as many children as adults in the group

Answer 1

it would be better to post one question at a time and the questions aren't showing up

Answer 2

it says

1. Solve the system by substitution.

(1 point)
(3, 5)
(–5, –3)
(–3, –5)
(5, 3)


but the system is missing