Answer:
y=1/2x-10
Step-by-step explanation:
y=1/2x+b
-8=1/2(4)+b
-8=2+b
-10=b
y=1/2x-10
Break the mile in to 6 pieces and run 5 parts of the mile
4x-8=2x+14
subtract 2x on both sides and add 8 on both sides so x=11
<span>Assuming that this is referring to the same list of options that was posted before with this question, the correct response was the first one, although I forget what it was. </span>
<span>copper +copper = copper
0.14x+0.24(100-x) = 0.20*100 = 20</span>
