select all that apply.

which was an indo-european group?
hittites
aryans
portuguese
egyptians
sumerians

Measure of angles 31 (x+4) (3x+9) me

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?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.