The first step in the process for factoring this trinomial x^2-3x-40 is to? ?
a. list all the factors of 40
b. find the sum of the factors of 40
c. list all the factors of 3
d. find the sum of the factors of 3

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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)