Gasoline costs 1.67 euro per liter in france. what is the price in dollars per gallon?

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish

Me i’m stuck on all these questions besides the two bottom ones