Last year, 800 students attended the career fair at
west high school. this year, the number of students
who attended the career fair increased by 5%. how
many students attended the career fair at
west high school this year?

What is this inequality notation? t is less then or equal to 2

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

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)