Answer:
B.) y = -3/2<em>x</em> + 5
Step-by-step explanation:
Write in slope-intercept form, y=mx+b
Divide y by x:
150/10 = 15
135/9 = 15
30 /2 = 15
They all equal 15
This means the constant of proportionality would be y = 15x
The answer is C.
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Answer:
D.

Step-by-step explanation:
The wildfire begins at a size of 8 square feet
It means that initial area =8
It then doubles its width every x hours,
and doubles its length every y hours
so, we can set up equation

now, we can simplify it

we are given
After a period of time, the wildfire covers 14,000 square feet
so, we can set A(x,y)=14000
we get


ANSWER

EXPLANATION
We want to simplify

We multiply the first fraction by the reciprocal of the second fraction to obtain,

We cancel the common factors to get,

This gives us,