Answer:
first off, when did Marge become a teacher
Step-by-step explanation:
Second off, he didn't flip the sign inside of the parentheses.
Answer:
-2
Step-by-step explanation:
We can find the slope by using the slope formula
m = (y2-y1)/(x2-x1)
= (-5 - -7)/ ( -2 - -1)
= ( -5+7) / ( -2 +1)
= 2/-1
= -2
Answer:
Step-by-step explanation:
for short lengths try your hand span.
for something a bit longer try using the length of your feet.
for something even longer try using your arm span or steps.