If you travel 90miles in 1 1/2 hours how many miles would you travel in 6hours

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?

True or false look at the picture pls : /

What is the slope of the line shown below?