An ant crawls straight from $(-4,6)$ to the origin, and then continues straight on to $(4,3)$. How far does it travel?

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

Natasha spent 1 1/2 hours on the beach. she fell asleep for 3/4 of the time she was on the beach and then woke up with a terrible sunburn.how many hours was natasha asleep on the beach?

I'm confused on this could anyone me and show me what i need to do to solve it.