The cost of 1.5 pounds of napolitos is $3.69. What is the constant of proportionality in dollars, y, to the number of pounds of napolitos, x?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

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?