Answer:
what are yo tring to sya
Step-by-step explanation:
Answer:
20+2C
Step-by-step explanation:
sum means addition
if Craig's age is c than twice his age is 2xC, also expressed as 2C
20+2C
E=mc^2 is <em>not </em>a mathematical formula. E=mc^2 is used in various sciences relating to energy.
E = energy
m = mass
c = constant (speed of light)