What are the dimensions of the matrix? [1−203710−5895]

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The matrix is a
×
matrix.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Percent increase and decrease. original number: 45 new number: 18