2 and 1/2 + 3b-1/3 b equals what pls answer soon it’s on a timer

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

00 points ! missy’s rotation maps point k(17, –12) to k’(12, 17). which describes the rotation? 270° counterclockwise rotation 90° counterclockwise rotation 90° clockwise rotation 180° rotation

If u good at math hit me up on insta or sum @basic_jaiden or @ and