Someone HELP What are we the event that Elena chooses a red flower from and vase and W be the event that Glenn chooses a white flour from a different vase

Asap 25 pts + brainliest to right/best answer

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?