Answer:
x=20
Step-by-step explanation:
y=90
70+90=160
180-160=20
90+70+20=180
200,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,001
Answer: good question
<em><u>Answer:</u></em>
<u><em>Reason:</em></u>
It is to the -7 because you would have to move the decimal left (-) 7 times to get the original 0.00000051.
Hope this helps! ;)
.25
y2-y1/x2-x1
m = -1 / -4 = 0.25