What is the approximation for the area of this circle? use 3.14 to approximate pi. 12.6m 25.1m 50.2m 158.0m

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)

Write the standard form of an equation with (see picture below)

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.