The triangles in each pair are similar. Find the unknown measures. PLS HELP!!

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

What are the soultion(s) to the quadratic equation 40- x^2=0

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)