Answer:
x = 12
Step-by-step explanation:
By basic proportionality theorem,

Answer:
1) 1 2) 1/729 3) 1/27 4) -1/729
Step-by-step explanation:
plug them into calculator
Answer:
a
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
The fractions already have a common denominator of 5