Concrete for a factory floor has to be laid to a depth of 12cm. what area would a 18m^3 load of liquid concrete cover?

Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams