What is the value of y when the value of x is 1?

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

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.

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate