Answer:
(3r-10) (r+8)
Step-by-step explanation:
3r-34r+80
The first step is to combine like terms
3r - 34r
is -31r
-31r+80
We cannot factor since 31 is a prime number and 80 is not a multiple of 31
If you mean
3r^2-34r+80
(3r-10) (r+8)
6.8 is the answer I got on my calculator
Answer:
6.447
Step-by-step explanation:
He bought 264.10 / 6.95 = 38 bags.
Every bag covers 245 / 38 = 6.447 square feet.
<span>An example would be x+4 = 8</span>
7.05 is the correct answer