What is the Upper bound and lower bound, to the nearest 100, of 460?​

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)

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall