The first one is C
The second one is A
The third one is B
Answer:
The length of the third side:
= y² - 4y - 8
Explanation:
(8y²-9y+4) - ((3y² - 5y)+(4y² + 12))
= (8y²-9y+4) - (3y² + 4y² - 5y + 12)
= (8y²-9y+4) - (7y² - 5y + 12)
= (8y²-9y+4) - 7y² + 5y - 12
= 8y²- 7y² - 9y + 5y + 4 - 12)
= y² - 4y - 8
Step number 3, after I brush my teeth is to have breakfast.
Piscina: Ir al cine is the answer
