Find the complete factorization of the expression. 16xz + 20yz a) 4z(4x + 5y) b) 4xy(4z + 5z) c) z(16x + 20y) d) 4(4xz + 5yz)

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.