19-15 = C Number of students over the course of a year!
19-15 gives us a total of 4 students over the course of the year!
So the value of C is 4 students
Here are the scores of students on a history test. 57,58,61,61,65,71,73,75,77,78,80,82,92 Notice that the scores are ordered fro
trasher [3.6K]
I hope this helps the five numbers on the bottom 71 7374 7577 is the interquartile range
Answer:
Do the parentheses first. then the operations. Then solve
Step-by-step explanation:
You have a system of equations

.
1. Substitude right side of second equation into the left side of the first equation:

.
2. Solve this equation:

.
3. Find y:
for

,
for

.
4. The solutions of the system are: (3,-12) and (5,-24).
Answer: Correct choice is A.
CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM