The answer to that would be B
The GCF means Greatest Common Factor. This is the highest possible factor that multiple numbers have in common.
For example, 5 and 10.
5 = 1 x 5
10 = 1 x 10, 2 x 5
They both have 5 as the highest common factor, so 5 is the GCF.
Now that I've broken down what GCF means, let's factor out our numbers.
52= 1 x 52, 2 x 26, 4 x 13.
78= 1 x 78, 2 x 39, 3 x 26, 6 x 13.
These numbers both have 13 as the highest number.
The GCF of 52 and 78 is 13.
I hope this helps!
Equation if the line for the graph is
y = -2x+1
Answer:
D
Step-by-step explanation:
We can rule out the second and third because the y intercept in those graphs are not 1
Now lets look at the point 2,5 on graph a
y=1/2x+1
so 5=1+1 but that is false
D is the answer by elimination
So perimeter is adding all sides
In this picture, you have all sides, so add them up!
(2a-3)+(3a+1)+(2a) = P
So this expression shows that we're adding all sides that gives us the P, or perimeter :)