Apply the distributive property to create an equivalent expression.
1/2(10x+20y+10z)

What would be the distance of all the planets to the sun in astronomical units?

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.

Fossils of glossopteris, an extinct fern, were discovered on which continents to support the theory of continental drift? check all that apply.