PLEASE HELP Jacob owns a small business selling bagels. He knows that in the last week 65 customers paid cash, 26 customers used a debit card, and 8 customers used a credit card.
If next week, he is expecting 600 customers, about how many would you expect to pay with a credit card? Round your answer to the nearest whole number.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)