What proportion of the sample owns a cell phone? Enter your sample proportion rounded to the nearest percent. For example enter 82 not 0.82.5 do not included the %symbol

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?

7x^2-9x+5=0 find the discriminant and number of real solutions