Answer:B,D your wecome
Step-by-step explanation:
Answer:
a-b+c-b
Step-by-step explanation:
e-f
It depends on how much it costed per minute if it was a dollar a minute then it would be 29 minutes
Answer:

Step-by-step explanation:
Using the rule of exponents
×
⇔
, thus
×
=
= 