Atruck is dispatched for delivery at 8: 30 am to a customer 50 miles away. assume that the average speed of the truck is 25 miles per hour, and it takes 30 minutes to unload the truck. at what time can you expect the truck back?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Ithink i know it but i want to be sure so can you me out ?

Mr. rose asked his students to draw a quadrilateral with 4 unequal sides. draw an example of this kind of quadrilateral.