Write a number that has four digits with the same number in all places, such as 4,444

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Write the expression 7x^3-28xy^2 as the product of 3 factors

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0