Cameron started a new job at the grocery store recently. Last week he worked a total of 28 hours. What fraction of the total week's hours did he spend working? Please write the fraction in simplest form and explain how you got your answer. (Hint: there are a total of 168 hours in a week)

Could answer every question with steps

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

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.