Answer:
56
Step-by-step explanation:
I don't quite understand your question but I assumed you meant what is 70% of 80
Answer: 368
Step-by-step explanation: 80 divided by 5 is 16, so you would use 16 to find out how many students there are. To do that, you have to do 23 times 16, which is 368. Hope this helps!
1st you combine like terms so subtract 7y and 3y and you get 4y. So this is the final answer: 4y+4b.
Answer:

Step-by-step explanation:

Answer:
When two triangles are congruent they will have exactly the same three sides and exactly the same three angles. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there.