Answer:
for the first one its 128 the second one is 4.0 cm
Step-by-step explanation:
Answer:

Step-by-step explanation:
Solution is below as well as graph for proof
Answer:
probably maybe 5
Step-by-step explanation:
it looks like you want to multiple 2 to each side to eliminate that denominator. then maybe subtract that 1 away to isolate k. it might equal 5 I'm doing it in my head