can some one pls help me with this maths Question?

Question

Answer 1

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y(0)= 161, y(2)= h

a. y(7)= 1.20h

b. m= (1.20h - h)/(7 - 2)= 0.04h

c. y= 0.04h*x + 161

d. h= 0.04h*2 + 161

0.92h= 161; h=175 cm