Please help i will give a lot of points if right

Why do interests rates on loans to be lower in a weak economy than in a strong one

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?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year