Answer:
k = 5
Step-by-step explanation:
Given
+
= 3 ( multiply through by 3 to clear the fractions )
k + 1 = 6 ( subtract 1 from both sides )
k = 5
33,155.22 is the correct answer for this
Answer:

Step-by-step explanation:
first distribute the ^3, -3^3=-27, for the variables, (x^y)^3=x^(3y) so (b^2)^3=b^6 and (c^-6)^3=c^-18. now we have
. Next we have to get rid of the negative in c^-18. x^-y=1/x^y so c^-18=
, plug it in and you get 