Solve the equation. 9d + 2d + 3d – 4 = 5d a. 4/9 b.4/19 c.-4/3

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

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.