21 and -4, because -4x21 = -84, and 21+-4 (– 4) = 17
Answer:
thank u
Step-by-step explanation:
2(l+w)=112.8
l+w=112.8/2
36.9+w=56.4
w=56.4-36.9
w=19.5
Answer:
II and III(ie.rectangle and square)
I am not quite sure about this ans.
Answer:
B : Oligopoly
Step-by-step explanation:
Because the price charged is determined by a group of people in a certain area
