Tyler spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -1.8°F. Between 9 am and noon, the temperature rose 5°F. Between noon and 3 pm, the temperature dropped 18.1°F. Between 3 pm and 6 pm, the temperature decreased by 9.9°F. What was the temperature at 6 pm?

b is the right answer

the correct answer would be the third option

we need to see the graph to know but

strong positive is if it is going up from left to right in a straight diagonal line (like this /)

strong negative is the same but from right to left (like this \)

weak negative is the same as strong negative but its more straight line still right to left

and weak positive is the same as strong positive but more a straight line still left to right though.