(a^3 - 2a + 5) - (4a^3 - 5a^2 + a - 2)
=a^3 - 2a + 5 - 4a^3 + 5a^2 - a + 2
= -3a^3 + 5a^2 - 3a + 7
Answer:
100
Step-by-step explanation:
it is C
sum means add +
Answer:
(5/2, 3/2)
Step-by-step explanation:
The midpoint would be:

Answer:
a) b ≈ 100
b) m ≈ 30
Step-by-step explanation:
♥ Solve:
(Arjun) 40*30=1200
(Dalia) 55*30=1650
Now subtract
1650-1200=450.
That means that Dalia will type 450 minutes more.
Final answer: 450