The interest rate is 3.5%.
EXPLANATION
We substitute the given values into the formula;

to obtain

We divide through by 6000 to obtain,

This implies that,

We take the square root of both sides,

This gives us,

Add -1 to both sides of the equation to obtain

Multiply through by 100 to obtain;

%
X is twenty
2x+6x+20=180
8x=160
X=20
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Answer:
slope=4/5
y-intercept = -3
Step-by-step explanation:
first we need to rewrite the expression to

were b is the y-intercept and m the slope

so there we have it

Answer:
1.slope = 4/2x 2.slope= -5/4x 3.slope=7/5x
Step-by-step explanation:
Have a great night