If x=4 what is the perimeter of this figure?

11
8
16
24

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

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.

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !