a person is rowing across the river with a velocity of 4.5 km/hr northward. the river is flowing eastward at 3.5 km/hr as shown in the image below. what is the magnitude of her velocity (v) with respect to the shore?

Explain how you might determine the rate of weathering on a sample rock

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

How was the sat? what type of questions for math, writing and reading. did anyone get a near perfect score and if so how long did it take to study. i am very stressed and want to get at least a 1450.