Answer:
its b or c ( im not for sure tho)
Step-by-step explanation:
No, it is not a valid inference because her classmates do not make up a random sample of the students in the school.
Answer:
can u help me with this science questions {Mr. Dyers’ daughter is feeling ill. The doctor determines that she has the common cold. What would be the best treatment the doctor could suggest?}
Step-by-step explanation:
Perpendicular because when you graph it the lines intersect at 90 degree angels.