8.25x10^10. assuming you don't need to write it out. if you do. then it is
82,500,000,000
Answer: No
Step-by-step explanation: proportional means corresponding in size or amount to something. However, the number of her sit-ups isn't consistent, so it isn't proportional to the time she spends doing them.
The answer is (2x + 1)(x - 3)