Describe how do you find the common factors in the greatest common factor of two numbers

Estimate each quotient. show the compatible numbers you use. 0.00438 ÷ 0.00072

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.