9. What is the inverse of y = 10x -2?

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

How do you convert 1.27 to a percentage

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.