Solve algebraically for all the values of x, to the nearest tenth 4x^2+9-11=0

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?