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2 years ago

9

Jessica increases the temperature of a block of ice by 20º. Which integer represents the amount by which Jessica must change the

temperature for the block of ice to return to its starting temperature? A. –40 B. –20 C. 20 D. 40

2 answers:

ivolga24 [154]2 years ago

5 0

Answer:

b

Step-by-step explanation:

horrorfan [7]2 years ago

4 0

Answer:

B. -20

Step-by-step explanation:

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