Train a departs station one traveling at 75 mph. train n departs station two 30 minutes later traveling at 45 mph. the stations are 300 miles apart. the equation below gives the distance between the trains, d, in miles as a function of, t, the time after train b departs. d=|262.5-120t| for which two values of t will d=50? round to the nearest tenth. a)1.8 and 2.6 b)0.2 and 0.3 c)-17.8 and 26.0 d)-1.8 and 1.8

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)

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !

Given that s is the centroid of triangle mno, find sq.