Answer:
slope = 
Step-by-step explanation:
Calculate the slope m using the slope formula
m = 
with (x₁, y₁ ) = (- 4, 1 ) and (x₂, y₂ ) = (5, 4 )
m =
=
=
= 
<h2>
Answer:</h2>

<h2>
Step-by-step explanation:</h2>

<em>I hope this helps you</em>
<em>:)</em>
Answer:
$160
Step-by-step explanation:
Simple interest=principal×time×rate/100
Principal=$800
Time=5years
Rate=4%
S.I=800×5×4/100
S.I=8×4×5
S.I=160
So the simple interest is $160