It is prime because there aren't any numbers that multiply to 9 and add to -8
Answer:
If 1 gallon = 16 cups, then 4 gallons = 64 cups. (16 x 4)
So if there are 4 gallons of water, then there are 64 cups. If 1 cup of water evaporates a minute then it will take 64 minutes for all the water to be gone.
Answer: 64 minutes
OR
Answer: An hour and 4 minutes
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
8 is the correct answer
Answer: 6x - 7y = 21
Step-by-step explanation:
sorry if its wrong
-7 (3e-2f+4)+6e-2= -21e +14f -28 +6e -2= -15e +14f -30