Similar triangles have
a. congruent corresponding angles
b. one vertical pair
c. congruent corresponding sides
d. parallel opposing sides

Which of those sequences is a geometric sequence

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

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)