Hi i need help asap pls help

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

The tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree