the manufacturing cost of a cell phone was $124 sellers first marked up the cost by 20% sales or force or seller's decrease the mark of the 15% calculate the old and new selling prices​

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

What is the value of p in the equation y^ = -4x?