What is the completely simplified form of the expression 2(1 – 3x) – (5x + 1)?

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is