Use fraction models to solve: Three and two thirds minus two and four sevenths equals blank. A) one and two twenty ones
B) five and six tenths
C) five and six twenty ones
D) six and eight twenty ones

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Evaluate the expression. (9 + 5)(3 + 2)0

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