Answer:
72%
Step-by-step explanation:
There are a total of 50 quizzes in the year
From the first 20, the student passes 60%. This makes a total of

12 passes
Out of the remaining 30 quizzes the student passes in 80% of them. This makes a total of

24 passes
Adding the two values
12 + 24 = 36
The student passes 36 quizzes out of 50.
We convert this to a percentage
%
Answer:
if you are solving for x the answer is -5/2 and for y answer is 5
Step-by-step explanation:
It’s the second one because it can’t be half but it can be 1/4 and if you do the measurements you can tell it is the second one
Answer:
6x
6x(x + 4)
Step-by-step explanation:
Both 6x^2 and 24x are divisible by 6x
Both figures always have four sides