-2(+7)-3(4- 2x).
Help I will give you brainliest who does it first

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared