An electric can opener is worth 40 dollars when it is new. After each year it is worth half what it was the previous year. What will its worth be after 8 years? Round your answer to the nearest cent.

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.

What ratio is proportional to 18/21