Answer:
-56
Step-by-step explanation:
=(y)(y)+(y)(−7)+(8)(y)+(8)(−7)+−y2+−y
=y2+−7y+8y+−56+−y2+−y
=y2+−7y+8y+−56+−y2+−y
=(y2+−y2)+(−7y+8y+−y)+(−56)
<span>(6y3 + 17y − 3) − (4y3 − 11y + 9)
</span>= 6y3 + 17y − 3 − 4y3 + 11y - 9
= 2y3 + 28y - 12
Answer:
22 1/2 days
Step-by-step explanation:
All you gotta do is divide!