Aveterinarian purchases some medication for $19.50 and wants to make a $2 profit. what is the percent markup on this medication

What is the distance between point a and b

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

How to find the exponential function y=ca^x, with points (1,2) and (2,1)