Which expression is equivalent to the following complex fraction?
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3y + 1
24-1
(27-1)(3x+1)
(2x-1)(3x+1)
2y-1
3y + 1

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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)

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?