Which statement is false? a. every rational number is also an integer b. no rational number is irrational. c. every irrational number is also real. d. every integer is also a rational number.

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

How can you find the magnitude of a vector, v = < x, y > , where the horizontal change is x and the vertical change is y?

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.