9 because if you subtract 11 from 19 you het 9
Answer: (4,-8)
Step-by-step explanation:
Bc reflect over x = (x,-y)
Answer:
-3
Step-by-step explanation:
La intercepcion con y se produce cuando x= 0, por lo que si reemplazamos x por 0, queda que y= -3
Answer:
The estimate of the proportion of all students that prefer to use a metal pen is 0.4.
Step-by-step explanation:
The estimate of the proportion is the sample proportion.
In the sample:
10 students
4 use a metal pen. So
The estimate of the proportion of all students that prefer to use a metal pen is 0.4.