If c=42-d is true, then which is greater: c or d, or are you not able to tell

You cant tell because all you know is that c is less than 42

Step-by-step explanation:

You can't tell.

Step-by-step explanation:

If d is positive, then it could be either. For example, take the number 3 for d. C is larger in that scenario. If d is 41, then d is obviously greater. If d is negative, then c is always greater.

answer: 0+0=0

step-by-step explanation:

that is the only answer that can make 0

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.