If the quotient of a number and 15 is added to 1/5 the result is 17/15.find the number

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)

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

What is the best estimate of the length of a football