No a biased sample is not valid
You can do this! You’re a smart person :) don’t ever give up
1. (b+2)(b+2)=b^2 +4b + 4 (FOIL)
2. FOIL; x^2 + 6x + 9
3. correct
Answer:
SSS
Step-by-step explanation:
You can tell by the 2 dashes side and the one dash if that makes sense
Answer:
7
Step-by-step explanation:
3 team and 21 players
21÷ 3= 7
