Martin keeps track of the low temperature every day. On Monday, it was -12˚ On Tuesday, it was -9˚C. What is the difference between the low temperature on Tuesday and the low temperature on Monday? Group of answer choices
21 C

-21 C

-3 C

3 C

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

The table shows values for functions f(x) and g(x) . x f(x)=3x g(x)=2x+1 −2 19 −3 −1 13 −1 0 1 1 1 3 3 2 9 5 what is the solution to f(x)=g(x) ? select each correct answer.

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