The answer: D
Step by step: you looking at the dots looking at the lines and the numbers domain is y and rang is x
Dc over ut
6 over 10
da over ur
6 over ___
the length of ru must be 10cm
Change 83 to 0.83
0.83 x 50 = 41.5
50-41.5 = 8.5
the learner lost 8.5 marks