A. Is the correct answer hope this helped support me by thanking me and give brainliest
Answer:

Step-by-step explanation:
-The total portion fed to the dog is 7/10 cup
- Canned-3/10
- Dry=7/10-3/10=4/10
-One week has 7 days. we multiply the dry portion per day by the number of days in a week.

Hence, Erin feed her dog 2 4/5 0r 2.8 cups of dry food
Answer:
8x^2 - 4x
Step-by-step explanation:
add like terms
Answer:
There are infinite solutions because there is always another number between any two numbers.
Step-by-step explanation:
Pick any number (including decimal) add an extra decimal after the smallest one and then you have a number between them. E.g.
1.234 and 2.987
1.2341, 1.2342, 1.2343, ... are all between them