Answer:
slope = - 
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (1, 4) and (x₂, y₂ ) = (13, 3)
m =
=
= - 
Answer:
p = 10
Step-by-step explanation:
20 x 50 = 100p
1000/100 = 100p/100
10 = p
Answer:
B
Step-by-step explanation:
After factor by grouping
we get 
Step-by-step explanation:
We need to factor the term:

Taking c common:

Now making groups:

Now factorizing by groups:

So, after factor by grouping
we get 
Keywords: factor by grouping, factorization
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