-3/4 or it could also be -0.75

Putting the value of Y = 15

So, X = 200
C: is the speed of light (3*10^8 m/s) and it is squared (raised to the power 2) in this equation.
Answer:
I looked it up on Google and it said major and minor I don't know if this helps so I'm sorry if it doesn't
Take the fraction. Divide the top number by the bottom number. (That's what a fraction means.). Some fractions will produce a decimal that goes on and on and never ends. Some fractions produce a decimal that ends. Some examples that make repeating decimals are: 1/3, 1/7, 1/9, 1/11.