If Frances can paint 1/5 of a wall in 20 minutes, how long will it take her to paint a room with 4 walls? A. 60 minutes
B. 100 minutes
C. 400 minutes
D. 500 minutes

Is the product of seventeen negative numbers, positive or negative ?

(60 points) explain this in detail

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.