The taxi costs $2.25 for the first mile plus 15cents for each additional tenth of a mile. for a 5.2 mile trip, eric payed $10 and told the driver to keep the change as a tip. how much was the drivers tip

Determine the relationship of ab and cd given the following points

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?