The value of a phone when it was purchased was $500. It loses 1/5 of its value a year. What is the value of the phone after 1 year?

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11