Biologists are studying a new bacterium. They create a culture with 100 of the bacteria and anticipate that the number of bacteria will increase at a rate of 2.5% every 20 hours. How many bacteria will there be in 50 hours?

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)