4.A student wants to know how tall the flagpole at her school is, her eye level is 5.5 feet above the
ground and she stands 36 feet from the base of
the flagpole. If the angle of elevation is 25°, what
is the height of the flagpole?
*draw your own picture*

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)

Hundred and tens tables to make 430 in five different ways

How can you check that you have correctly converted frequencies to relative frequencies?