1. If the midpoints of two sides of a triangle are connected with a segment then (1) the segment is half the length of the third side and perpendicular to it
(2) the segment is twice the length of the third side and parallel to it
(3) the segment is half the length of the third side and parallel to it
(4) the segment is twice the length of the third side and perpendicular to it

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)

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition

Factor the polynomial by its greatest common monomial factor.