Gretchen and mika are involved in a relay race. both runners are at the same point on the course when gretchen realizes that she dropped her baton and has to turn around to retrieve it. gretchen runs backward at a speed of -4 meters per second, relative to the direction of the race. mika continues running at a speed of 3 meters per second. if gretchen dropped her baton -48 meters from her current location, relative to the direction of the race, how far ahead will mika be when gretchen picks up her baton?

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)

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?