How is 7.54÷4= 1.885

I got 1.88 with a reminder of 2

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's

With out knowing the functions you have to chose form, this could be one.y = 5.00xx = hours worked and y = the money he will earn.