HELP ASAP ILL GIVE BRAINLIEST ASAP

What is the equation of the line shown in this graph?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?