Graph a... you go down on the y axis 3, and then using the rise over run method, you go up 3, over 4
To find the measurement of PS, you would add the lengths of PQ and PS. 18.4+4.7=23.1. The answer is 23.1 cm
Your answer is D
hope this helps
Did you forget to attach an image?
10 x 25 = 250, well 20 x 25 is just double that, its 10 doubled x 25 so he probably just added it up. repeated addition really helps with times tables.