Which of the following is an even function? f(x) = |x| f(x) = x3 – 1 f(x) = –3x f (x) = RootIndex 3 StartRoot x EndRoot

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

What is the greater volume 72 quarts or 23 gallons

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia