The portion is 12 feet long and 6 inches high the price of the concrete is $98 per cubic yard the total cost of the concrete Paul needs is $108.9 which of the following is closest to the width of the portion of the driveway on which Paul needs to put concrete

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)

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?

What is the equation of the parabola with focus (-1,-1) and directrix y=1?