Find the length of AC again

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 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)

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss