PLEASE HELP!! The graph shows the cost C in dollars of W points of blueberries. Select ALL the true statements.

A. 1 pound of blueberries cost $2.75

B. 2.75 pounds of blueberries cost $1

C. 5 pounds of blueberries cost $15.30

D. 12 pounds of blueberries cost $33

E. The point (3,9) is on the graph of the proportional relationship

answer: 0

step-by-step explanation: the positive, like 5, + its opposite, like -5 would be 0

5+(-5)=0, or 5-5=0

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-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours