You can factor -80 as

So, we have

The square root of a product is the product of the square roots:

Since
and
, we have

Answer:
7(9+n)=8
Step-by-step explanation:
I hope this is right :)))
Answer:
9) x = 6,4
10) R = -3,-4
Step-by-step explanation:
Hope this helps dude
Total tickets: 7
Popcorn costs: $5
total cost: $54
7x + 5 = 54
- 5 -5
7x = 49
49/7 = 7
Final Answer: x=7
Answer:
16%
Step-by-step explanation:
convert
1kg=1000g
3kg=3000g


cross multiply
3000x=48000
÷3000 ÷3000
x=16