Choose the correct simplification of the expression (2x-6)(3x^2-3x-6)
a. 6x^3-24x^2+6x+36
b. 6x^3-24x^2+6x-36
c. 6x^3+24x^2-6x+36
d. 6x^3-24x^2+6x+12

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

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply