What is the property of -10+3 = 3+(-10)

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)

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x

Which point is a solution to y s 4x + 5?