3420/9=380 He used 380 boxes in his first week.
Substitute with y = 4 and z = -2
= 4^2*(-2)/4 + 10
= 16*(-2)/4 + 10
= -32/4 + 10
= -8 + 10
= 2
Hope This Helped! Good Luck!
Answer:
-98
Step-by-step explanation:
Y=year
y=700+32,000