If a gum-ball machine contains 22 red gum balls, 46 yellow gum balls, 14 green gum balls, and 18 orange gum balls, what is the probability that a gum ball chosen at random will be green?
a: 23/50
b: 11/50
c: 7/50
d: 9/50

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?

Abox of chocolates cost $7 which equation relates the number of boxes sold parentheses x parentheses and total cost of the boxes sold parentheses y parentheses

Place the indicated product in the proper location on the grid. -4x3y2(7xy4)