20 points and brainliest for correct answer!
on a scatter plot, what does it mean when both variables are increasing?
a.
positive correlation
c.
no correlation
b.
negative correlation
d.
line of best fit

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.