The Predecessor of ( -41 ) is --------------- -42
Surface area of small sphere = 1441cm^2
Surface area of bigger sphere = 2567cm^2
Surface area of largest sphere = 1441 + 2567
= 4008cm²
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Answer: 28
Step-by-step explanation: you have to add 21 + 7 because your counting up from -7 to 21
Answer: The domain is all real numbers
I can't say that the y intercept is 3 because when you distribute,

It seems like the y intercept is 24.
Answer:
Finding the missing number is fairly simple and can be done in a few short steps. I will show you using the 21 / __ fraction.
First, divide the included number by its corresponding number in the original fraction.
21 ÷ 3 = 7
To find what the denominator of this would be, multiply 4 by 7.
4 * 7 = 28
The fraction would be 21 / 28.
This works with both numerators and denominators. If you need more of the answers just ask in the comments.