20:12
i think. 20 being the number of total students to 12 which is the number of boys
Step-by-step explanation:
Given:
Derivative of a power function :
Therefore,
Answer:
No
There are two values for x=0
Answer: 40
3x-10=x+70
3x-x=70+10
2x=80
x=8<u>0</u>
2
x=40