What is the solution to

2(4x-5)=270

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

Solve the inequality and graph 6j - 7 < 5

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.