PLEASE ANSWER THIS I BEG YOU PERCENTS - 58%, 48%, 12%, 5%
1. Estimate the first four percents as fractions with denominators that are less than 25.
2. Why is it difficult to estimate 1% as a fraction with a denominator that is less than 25?
(dont use my question for points please)

What are “like terms”? why can we only add like terms?

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The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.