On tuesday, a local retail store is offered an additional 20% off all school supplies. before you handed cashier the 20% off coupon, your receipt total was $54. what discounted amount will the coupon offer you? $43.20 $64.80 $48.60 $10.80

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.

Answer this all of it i don’t know how to do it i wasn’t there because i was sick and it’s a nti today so i home not knowing what to do

What is the answer to this math problem? ?