Aperson has two times as many pennies as dimes. if the total face value of these coins is $1.08, how many of each type of coin does this person have?

17 in long 1.3 ft wide and 8in high what is the volume

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

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll