Answer:
100%
Step-by-step explanation:
90°-77°=13°.
the answer is 13°
Standard form: x-y = -3
x & y have to be whole numbers
x has to be positive
Answer:
The system of equations are
and 
Step-by-step explanation:
Given : There are a total of 64 students in a drama club and a yearbook club. The drama club has 10 more students than the yearbook club.
To find : Write a system of linear equations that represents the situation.
Solution :
Let x represent the number of students in the drama club
and y represent the number of students in the yearbook club.
There are a total of 64 students in a drama club and a yearbook club.
i.e.
....(1)
The drama club has 10 more students than the yearbook club.
i.e.
....(2)
Substitute the value of (2) in (1),




Substitute in (2),


Therefore, the system of equations are
and 