During her morning commute, Rebecca averaged 30 km/h in heavy city traffic and 90 km/h once she got onto the highway. She travelled 35 km in 30 min. How far did Rebecca drive while on the highway?

Which value is not a solution of 8x^3 – 1 = 0

The volume of a cube is 8 in to the 3rd power. how long is each side?

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)