5z ^ 3 - 2z ^ 4 - 9z ^ 2 + z what is the degree of the polynomial ?

What's the difference between: x≥0 and nonnegative integer. ?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression