9. Sue earned $120 for 15 hours of work. Which equation represents the relationship between the hours worked, x, and Sue's pay y
A y = 8x
By= 18x
C y = 120x
Dy = 9x

 C = 120x

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  A  y = 8x

Step-by-step explanation:

We are given that y = 120 when x = 15, and we assume that pay is proportional to hours worked. That is ...

  y = kx

  k = y/x = 120/15 = 8

So, the relation between hours worked (x) and Sue's pay (y) is ...

  y = 8x

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.