An item is priced at $13.20. If the sales tax is 5%, what does the item cost including sales tax? OA. $0.66
OB. $13.86
OC. $19.80
OD. $27.06
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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 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)

Abcd is a square. what is the measure of angle bac

4+(2+x) can you me solve this problem