Answer:
No, middle term should be 40x.
Step-by-step explanation:

Hence, for the given trinomial to be a perfect square its middle term should be 40x and not 36x.
Answer: 4+2n³
Explanation:
5+5n³ - 1-3n³
Step 1. Collect like terms
(5−1)+(5n³-3n³)
Step 2. Simplify
4+2n³
Answer:
San Francisco
Step-by-step explanation:
speed = distance/time
phoenix flight= 349.8 average miles per hour (rounded to the nearest 10th)
minot flight= 283.7 average miles per hour (rounded to the nearest 10th)
San francisco= 397.1 average miles per hour (rounded to the nearest 10th)
56 because
2(1)=2
3(2)=6
4(3)=12
5(4)=20
6(5)=30
7(6)=42
8(7)=56
A turtle walks 7/8 mile in 50 minutes.
Convert 1 hour to minutes and you get 60 minutes.
50/60 = 5/6. The turtle walks 7/8 mile in 5/6 hour

The turtle walks 21/20 or 1.05 miles per hour.