Answer:
Each teacher will have 21 students
Step-by-step explanation:
273 divded by 21 = 21
Answer:
= 9
Step-by-step explanation:
Given that,
Asn expression : 
We need to evaluate the above expression.
We know that, 
So,

or

So, the value of
is 9. Hence, the correct option is (b).
Answer:
(-4+2*2)+8
Step-by-step explanation:
2*2=4
-4+4= 0
0+8= -8
Answer:
y- intercept is ( 0, -4 )
Step-by-step explanation:
63/8 is 7.875, or 7 remainder 7.