Answer:
B and D
Step-by-step explanation:
A ray is just the line so the rays are IH, and HI. It is not IH because that is a line segment. It is not GI because it goes across. Therefore, the answer is B and D.
Answer:
x = 5, y = 2
Step-by-step explanation:
First, isolate y in the top equation.

Next, substitute y in the bottom equation.


Simplify.

Combine like terms.

Isolate x on one side.

Isolate x.

Substitute x into 

Simplify.

Isolate y.


Answer:
8.4 , 7.7
Step-by-step explanation:
- 0.7
Answer:
B) 25
Step-by-step explanation:
First, you add up all the numbers. Then, you divide it by 9 which is the total amount of numbers there are.
If you use your subtraction right when you use deceleration as for example like 4.5 from 79 well you know it had to slow down so the correct Answer for this would end up as 17 .5 Try the easy way like
79 dived by 4.5 would get you the same answer but don't divide backwards you will get an in correct answer
hope i helped;)