What is the product of -2x^3+8 and -4x

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100