3. the triangle will be dilated by a scale factor of 1.5 ab=12 bc=10 ca=14 calculate the length of each side of the dilated image.

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

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)