5,7 and 8 are right angles, and 6 is an acute angle this is because of u look at 9 and 10 you can see a little box looking thing under the h and if u do that to all of them 5, 7 and 8 can fit the little box but 6 you can’t because it is an acute angle. Hope this helped!
Answer: 
Step-by-step explanation:
By definition, negative numbers, positive numbers and zero are Integers.
It is important to remember the multiplication of signs:

You can observe that you must multiply two integers, one of them is negative and the other one is positive. The product will be an integer. Then:

Since any Integer can be written as a fraction, you can rewrite the product by writing
as the numerator and
as the denominator.
Then, this is:

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 =
=
=
= 
The answer is D.
Hope this helps!
Answer:
Hi how are doing?
Step-by-step explanation: