Equation of the line joining the points R(-1,6) and S(5,5)
since parallel lines have the same slope, If the slope of AB is -3 then the slope of CD will also be -3
If Tim had $20 to spend on 6 pens, and after buying them he had $8 left, that means that he spent 20 - 8 = $12 dollars on those 6 pens.
This means that to calculate the price of one pen, you just need to divide the money he spent ($12) by the number of pens he bought (6), and that is 12/6 = 2. Each pen cost him <span>$2.</span>
yes the following is a fuction
