Aramp has a rise of 10 feet and run of 50 feet find the slope

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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)