What is the cost of operating a 3.00-w electric clock for a year if the cost of electricity is $0.0900 per kw ⋅ h ?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)