Ineed with number 3-8 ! i have a math exam and also any tips or tricks to make this stick? ?

What is the x-intercept and y-intercept of the equation 2x+1. 2o

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]