The distance of a point P(x, y) from the origin O(0, 0) is given by OP=__​

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?