Alfred is practicing typing. the first time he tested himself, he could type 45 words per minute. after practicing for a week, he could type 48 words per minute. after two weeks he could type 51 words per minute. based on this pattern, predict how fast alfred will be able to type after 4 weeks of practice. a. 61 words per minute b. 57 words per minute c. 54 words per minute d. 51 words per minute

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?