A store buys a box of pencils for $0,50. In order to make a profit they are going to markup the cost of pencils by 125%. Find the amount of markup.

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Polynomials plz quick 1: subtract and simplify (–y^2 – 4y – 8) – (–4y^2 – 6y + 3)

Mrs. piazza invested 8000 in a certificate of deposit that pays 3% simple interest for 4 years. how much will be in mrs. piazza's account at the end of 4 years