Answer:
Step-by-step explanation:
Answer:
(1,-2)
Step-by-step explanation:
w = ( x , y ) = ( 1 , -2 )
3rd choice
Answer:
profit is 25%
Step-by-step explanation:
profit%=sp-cp/cp×100%
=350-280/280×100%
=0.25×100
=25%
Number 2 is the answer to you question