2a+b+c=9 a+2b+c=8 a+b+2c=11 pair the equation to eliminate one variable and add

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?

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.