Find the value of X, I need help solving this

The price of a coat increased from $78 to $92. what is the price increase percentage?

What is the relationship between all triangles that can be drawn given the same three angles

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.