Write your own algebraic expression with atleast four terms that can simplify to 12x+4 ​

What is the standard form of -5x^2+2x^4-11+x^3+3x

What is a graph with a never ending line called?

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.