The point d lies on oa such that dc is parallel to ob find the position vector of d

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Which expression is the factorization of x^2+10+21

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?