Ellie has 4 quarters for every 5 pennies in her change purse. how many pennies would she have if she has 16 quarters?

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