It will take him 30 hours
Answer:
2a^2 + 2a - 11
Step-by-step explanation:
(2a^2-5) +(-6+2a)
substitute
Answer:
8000in³
Step-by-step explanation:
20³=20*20*20=8000
Answer: 4 to the 9th power. This is the answer to the picture. I used the app "Photomath"
Hope this helps :)
only integers and polynomials are under subtraction.