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. :)
D the last one because it simplify by y^3/x^18
Answer:
3
Step-by-step explanation:
cause i wrote it on paper tho
Answer:
7.23
Step-by-step explanation:
The answer is .002 after you multiply the equations inside the parentheses and divide them