Is joromes sister correct? Explain why or why not, using the ratio table to support your argument

Don't know how to find x given these segment lengths

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

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.