BRAINLIEST TO CORRECT HURRY

Find the equation using the point (4,8)

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.

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount