Ann can build a car in 6 hours while same can build the same model in 12. how many hours would it take for them to build he model together? set up a rational equation and solve for x.

Plz which expression is equivalent to the expression below?

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?