Bo and erica are yoga instructors. between the two of them, they teach 34 yoga classes each week. if erica teaches 14 fewer than twice as many as bo, how many classes does each instructor teach per week?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Ashley recently opened a store that sells only natural ingredients. she wants to advertise her products by distributing bags of samples in her neighborhood. it takes one person 22 minutes to prepare one bag. how many hours will it take to prepare 900900 bags of samples if ashley and 55 of her friends do the work?

Cesar bought 7 items at the candy store. he bought candy bars for $0.50 each and packs of gum for $0.95 each. he spent a total of $6.80. what system represents the solution for the number of candy bars (x) and the number of pack gum (y) purchased?