first subtract the last equation from the first. this gives:-
-x + y = -8 .....................(1)
Then multiply the first equation by 2 and add it to the 2nd equations This gives
9x = 18
so x = 2
and from equation (1) y = -8 + 2 = -6
Substituting for x and y in the second equation
z = (24 -5(2) -12) / 2 = 1
Answer is choice b.
Answer:
4/5
Step-by-step explanation:
points: (10,5), (5,1)
(y2-y1)/(x2-x1)
= (5-1)/(10-5)
= 4/5
Hope this helps! :3
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