The expressions that show different ways to rewrite

are ...
a. (4^x * 4^x) / 4^x
b. 4^x
c. (16 / 4)^x
11/3. This is because you multiply the denominator by the mixed number. Than you add the numerator to that. Put that number over the denominator you had in the original problem. Hope this helps!
Answer:
6x = 54; x = 9 times older
Step-by-step explanation:
Answer:
B. Dollar-cost averaging.
Step-by-step explanation:
That would be 6 and 6/8 inches