Ms. Morgan is a science teacher. She found that 30% of her 120 students are athletes.
Mr. Gregory is a math teacher. He found
that 27, or 15%, of his students are athletes.
a. Of the part, the whole, and the percent,
which information is still unknown to
Ms. Morgan? Find this unknown value.
b. Of the part, the whole, and the percent,
which information is still unknown to
Mr. Gregory? Find this unknown value.

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

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)