Answer:
y = -16
Step-by-step explanation:
y = -3(12) + 20
y = -36 + 20
y = -16
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Answer:
The equation of the line is 
Step-by-step explanation:
step 1
Find the slope
The formula to calculate the slope between two points is equal to
we have
(-2,11) and (9,22)
substitute
step 2
Find the equation in slope intercept form

where
m is the slope
b is the y-intercept
we have

substitute in the equation and solve for b


Adds 2 both sides

The equation of the line is

X = sqrt( 4 *(8+4))
x= sqrt(4*12)
x = sqrt(48)
x = 6.928 ( Round the answer as needed)
63%
To express as a percentage divide 630 g by 1 Kg and multiply by 100%
note that 1 Kg = 1000 g ( units must be the same)
× 100% = 63%