3 (k-12) = k-30
3k - 36 = k - 30
3k - k = -30 + 36
2k = 6
k = 3
Answer:

Step-by-step explanation:

Multiply the numerator and denomiator of 1/16 by 2 so that the denominators are equal and we can subtract.

Then, subtract

Answer:
b/a
Step-by-step explanation:
Given,(b^-2)/a*(b^-3)
or,(b^-2+3)/a
or,b/a
Answer:
7.40
Step-by-step explanation:
Divide 185 by 25 to get unit rate
Answer:
739
Step-by-step explanation:
a sub 92 = 11 + (92 - 1) * 8
a sub 92 = 11 + 728
a sub 92 = 739