Hello.
The percent decrease in the mass of the pumpkin for this case will be given by:
(100 - (3.9 / 6.5) * 100) =
(100-60) =40%
After carving it, the pumpkin decreases a percent of 40% in the mass.
Have a nice day
7 = 2n - 2
n= a number so twice a number is 2n and 7 is 2 less than twice this number.
Answer:

Step-by-step explanation:

Answer:
B and D
Step-by-step explanation: