Zoe said the best way to estimate 2,498 - 639 is to round each number to the nearest hundred. sam said the best way to estimate inks to round each number to the nearest thousand. who is correct? explain your answer.

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Which of the following is an irrational number

Aladder that is 20 ft. long against the side of a building. f the angle formed between the ladder and the ground is 75 degrees, how far is the bottom of the ladder from the base of the building?