Which expressions have a value of -64? Check all that apply. NEED HELP ASAP PLSSS!!!

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

How can i differentiate this equation?

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?