How many states were admitted to the union from 1850 to 1899?

a. 5
b. 10
c. 15
d. 20

Triangle xyz is translated 4 units up and 3 units left to yield triangle x'y'z' what is the distance between any two corresponding points on triangle xyz and trianglex'y'z' ?

Mosses, lichens and shrubs can be found where in russia? a. grasslands b. mountain regions c. coastal plains d. siberian tundra

Where did the solar system come from?