Answer:
r ≥ -9
Step-by-step explanation:
![8r-(5r+4)\geq -31\\8r-5r-4 \geq -31\\3r - 4 \geq -31\\3r \geq -27\\r \geq -9](https://tex.z-dn.net/?f=8r-%285r%2B4%29%5Cgeq%20-31%5C%5C8r-5r-4%20%5Cgeq%20-31%5C%5C3r%20-%204%20%5Cgeq%20-31%5C%5C3r%20%5Cgeq%20-27%5C%5Cr%20%5Cgeq%20-9)
Answer:
21
Step-by-step explanation:
2 + 7 = 9
27/9 = 3
3 times 7 = 21
Answer:
Is there a picture?
Step-by-step explanation:
15 divided by 2 1/2=6
Nestor can pot 6 plants in an hour. (I'm guessing that it said 2 1/2 hours)