Is it alright if someone could answer this for me? My older sibling is having problems working on this equation and I'm trying to help by posting it here. All bots and links will be reported. Please do not message if this account did anything before as for this account has been given to me today.

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Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

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)

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?