Evie started exercising 4 weeks ago. Since she started exercising, she has lost 1
kilograms each week.
The following equation describes this situation:
-1 1.4 =
6
What does-6 tell us?
O
Evie lost 6 kilograms each week.
Evie gained a total of 6 kilograms.
O
None of the above

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

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

Which letters from the table represent like terms? a and b b and c a and d b and d