Answer:
C)infinitely many solutions
Step-by-step explanation:

T and g are the answer because you can’t do 10x and 15
Answer:
b^20/a^12
Step-by-step explanation:
b to the power of 20 over a to the power of 12
I know that x is equal to 11 and i hope it helps you
if so please mark as Brainliest