In a particular city there is a city-wide speed limit of 45 mph. If you are caught speeding, the fine is $200 plus $5 for every mile you go over the speed limit. For example, if you're ticketed for going 60 mph, your fine is 200 + 5(60 - 45) = $275. Last month, all the drivers who were fined for speeding averaged 55 mph with a
standard deviation of 10 mph. What was the standard deviation of the fines?
Choose the correct answer below
A. $200
B. S10
C. $250
D. $50

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?