Cell phone Plan A costs $70 per month and comes with a FREE phone. Cell phone Plan B costs $50 per month but does not come with a phone. The phone costs $500.
Let x represent the number of months. Write an expression for EACH cell phone plane:
The expression for Cell phone Plan Ais type your answer...
and the expression for Cell phone Plan B is
type your answer.

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.