40 POINTS HELP 1.Rachel works as a delivery person for a shipping company. The graph shows a linear model for her delivery times on different days.

(a) What is the equation of the line, first written in point-slope form and then written in slope-intercept form? Show how you determined the equation.
(b) Based on the linear model, predict how long it initially took Rachel to deliver her packages. Approximately how much did her delivery time decrease per day?

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

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)

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)