<span>A. an observational study, since they were not assigned to their groups.</span>
16.5/0.25=66
She can cut 66 pieces of ribbon
Answer:
Store C, Store B, Store A
Step-by-step explanation:
If you were to buy 1 pound of pears at Store A, It would be $1.29
If you were to buy 1 pound of pears at Store B, It would be $1.00
If you were to buy 1 pound of pears at Store C, It would be $0.89
2x^2-3+11+7x^2-3x-4= 9x^2-3x+4
9x^2-3x+4-14x^2=-5x^2-3x+4
ANSWER: -5x^2-3x+4