Sam wants to buy a camera for £345 he has already saved £96 each week his pay is £80 he saves 30% of this pay how much more weeks must he save?

4+6x-3x^3 in standard form with explanations because i don’t understand

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17