Help and thankyou

What is the slope of the line?

True or false look at the picture pls : /

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.