Answer:
No
Step-by-step explanation:
We can't use 2x + c = d for solving 2x + 1 = 9 . Here we can find the value of x from 2x + 1 = 9.

Putting the value of x in 2x + c = d :-

But still we don't know the exact value of c & d . If in the question at least we could have got one exact value of either c or d , then we could find out the value of other variable.
Answer:
there was no question, but if your asking how much there shrinking by the top one comes first and the 2nd shrinks down to twice the size.
Step-by-step explanation:
Find cube root of 20 and 540 to find ratio of the height then use the formula image/object xx HOPE THAT HELPS :)