If a sprinkler waters 1/18 of lawn in 1/3 of an hour how much time will it take to water the entire lawn

What does independent variable and dependent variable mean in math?

What is the inverse of the function f(x) = 2x + 1?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.