Arrange the digits 3-11 in the square so that the total of each row, column, and diagonal is the same the square is a 3x3

9/10 divide by -3/15 as a mixed number

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)

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?