Answer:
328 and the last one is 260
Step-by-step explanation:
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y= -2x+1
y=mx+b
y= -2x +b
3= -2(1) +b
3= -2 +b
b=1
Slope=M=y2-y1/X2-X1=
-1 -2 /4-0=
-3/4 =
-0.75