Last year, 42,317 students participated in a robotics league. What is the value of the 4 in the number of students who participated in the robotics league? A.
one-tenth times the value of the two in the thousands place
B.
two times the value of the two in the thousands place
C.
ten times the value of the two in the thousands place
D.
twenty times the value of the two in the thousands place

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)

‼️‼️‼️10 points‼️‼️‼️ me it’s important‼️‼️‼️‼️‼️

Need asap i will give brainliest and 98 points classify each pair of numbered angles corresponding, alternate interior, alternate exterior or none o these