Answer and show steps.
and also with unanswered questions from the pasttt
this is 30 points
cant change
only giver brainliest to who answers with steps and is correct

Choose the graph that matches the following system of equations: 7x + 2y = −6 6x − 7y = 21 a line includes points negative 2 comma 4 and 0 comma negative 3. a line includes points 6 comma 2 and 0 comma negative 3 a line includes points 0 comma negative 3 and 6 comma 2. a line includes points negative 2 comma 1 and negative 3 comma 4 a line includes points 0 comma negative 3 and negative 1 comma 4. a line includes points 0 comma negative 3 and negative 1 comma 3 a line includes points 0 comma 3 and negative 1 comma negative 3. a line includes points 0 comma negative 3 and negative 2 comma 4.

The table shows a pattern of exponents. what is the pattern as the exponents decrease?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.