Answer:
x=30
Step-by-step explanation:
to find the value of x you have to find K(constant number).

Albert Einstein, (born March 14, 1879, Ulm, Württemberg, Germany—died April 18, 1955, Princeton, New Jersey, U.S.), German-born physicist who developed the special and general theories of relativity and won the Nobel Prize for Physics in 1921 for his explanation of the photoelectric effect.
Answer:
true i think not 100% sure tho
Step-by-step explanation:
It c) because it 56 out of 100