2x-6y=5 x+y=2 solve the system of equations

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt

Which answer goes into the box? (90° clockwise rotation, 90° counter clockwise rotation, translation, or glide reflection)