Yall tell me if this dumm
or weird people on here is dating and looking for bfs and gfs

Exactl. I mean yeah I wanna date somebody but I'ma use an actual dating website. Not this.

Explanation:

1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

                                          hope it

i have economics during second block which is easy to me. anyways, i think b.