Answer:
2k
Step-by-step explanation:
3k and -k are both like terms, so you can combine them. Adding opposite signs works in the same way as subtraction, so you can rewrite the expression as 3k-k, which is 2k.
B and C are both correct
t(s) is equivalent to the temperature of the tea after s amount of seconds
I dont know :(
i actually tried it but im not good with that :)
I think it would be A.) but at the same time i think it's wrong
For the square area we have:
12.12=144
and for the rectangle we have:
4.11=44