4. Il y a 147 élèves de secondaire 1, 84 élèves de secondaire 2 et 126 élèves de secondaire 3 à répartir dans le plus grand nombre possible
d'équipes pour faire un rallye. Combien y aura-t-il d'élèves de chaque
niveau dans chaque équipe ?

What situation is an example of an observational study

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)

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?