What is √9 (a very dum question)

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

How do i put 3(x+7) in distributive property