1. 6x²y²+8y+4x²y²+3y
2. 16ab²+8a²b-12ab²
3. 9a²b²+6a²b²-7a²b²+8ab
4. 15xyz+4y+3xyz-3y

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Which expression is equivalent to -5(3x - 6/7)