At the beginning of the season, macdonald had to remove 555 orange trees from his farm. each of the remaining trees produced 210210210 oranges for a total harvest of 417904179041790 oranges. write an equation to determine the initial number of orange trees (t)(t)left parenthesis, t, right parenthesis on macdonald's farm.

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

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

Which of the following circles have their centers on the x-axis? check all that apply.