Answer:
y = 3
Step-by-step explanation:
y+y = 9-3
2y = 6
y = 3
Answer:
24 ways.
Step-by-step explanation:
In this case, you just need a factorial.
For the first seat, you have 4 students you can place.
For the second seat, you have 3 students.
For the third, you have 2.
For the fourth, you have 1.
So, you can arrange the students by doing 4 * 3 * 2 * 1 = 12 * 2 = 24 ways.
Hope this helps!
9.77777... Is a rational number because it has a pattern and is a decimal.
Answer:
x = 18/5 + 9/5y
Step-by-step explanation:
Answer:
pick a because the data is better for that chart