Yes, that is the famous first Pythagorean triplet: 3²+4²=5²
or
For three lengths to be able to form a triangle, it suffices that every one of those lengths is shorter than the sum and longer than the difference of the other two.
It is enough to check just one side.
So,
3 + 4 > 5
4 - 3 < 5
Your triangle is constructible.
Answer:
B, C, D hope this helps btw are you from connexus?
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
5(0)-3(-4)=12 that simply's to 0+12=12
its no subtraction sign cause cant have a double negative
Answer: A. 
Step-by-step explanation:
To find the slope we must find the change in y over the change in x. Δ
Or rise over run.
In the graph, we have two "good" points. (0, -6) and (4,0)
So for Δy 0 to -6 = -6
So -6 goes on top 
Now Δx goes from 4 to 0 so the change would be -4.
So now it becomes 
Since there are two negatives it becomes a positive.
Or simply put, 