A. {wlw < 5 and w e n}
b. (x|x > -3}
c. (x1–2 d.{xl-4

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?