These girls are selling cases of popcorn to earn money for a bandtrip. in week 1emily sold 2 3/4 cases, brenda sold 4 1/4 cases and shannon 3 1/2cases how many cases did they sell in all?

What is the ratio if counted 14 robins out of 150

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)

The area of a circle is equal to 1 dm². find the radius of the circle.