A rectangular prism measures 7 1__2cm by 12 cm by 15 1__2cm. (Lesson 4-15)a. Calculate the number of cubes with edge length 1__2cm that fit in this prism. b. What is the volume of the prism in cm 3? Show your reasoning. If you are stuck, think about how many cubes with 1__2-cm edge lengths fit into 1 cm

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Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

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)