Mindy left at 8 a. m. and will arrive at 1 p. m.; jelly left at 8 a. m. and will arrive at 2 p. m. how many miles is the trip if kelly is traveling 10 miles per hour slower than mindy

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)

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

3x + 4y = 5 x- 3y = -7 solve by substitution