These are all questions from my homework, I need help solving them because no matter where I looked I couldn't find the answer on the notes. Help is much appreciated, thank you.

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Which of the following circles have their centers in the third quadrant? check all that apply.

5. write an equation for the line that is parallel to the given line and that passes through the given point. y = –5x + 3; (–6, 3)