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1. D) -30

2. B) -33

3. A) 600

Step-by-step explanation:

1. This answer would be D) -30 because the statement is saying that Keith lost 30 lbs, and losing something would be a negative

2. This answer would be B) -33 because just like in the first question, something is decreasing or falling. In this case, it's the temperature that is falling.

3. This answer would be A) 600 because since Alice is already above the ground 100 feet, all you would do is add the 500 feet that she rose with (100 + 500). To rise would be to increase, or in this rate, stay positive.

false

step-by-step explanation:

i looked it up

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315