Devin used what he learned in clas to determine that for every 8 grams of oxygen in water, there is 1 gram of hydrogen

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Which is f(5) for the function –2x2 + 2x - 3?