Stan works as a customer service representative. He knows that the amount in dollars of his yearly bonus is represented by the expression - 2.5x +817, where x is the number of complaints customers had about him during the year. To find his bonus if he gets 8 complaints, he substitutes 8 for x. What should be his next step? What would his bonus be?​

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?