80% is the same as 4/5, so 4/5 of the class= 20. That means that if there was a picture, 4 parts would be shaded, and 1 would not. 1/4 of 20 is 5, so 1 part= 5 people. 5 x 5 = 25. 25 is the answer. :)
Answer:
14.4282 or 14.4 rounded
Step-by-step explanation:
Answer:the answer is 4 to the square root of 2
Step-by-step explanation:
The side b = 136 as I think it’s the two equal sides
