From a group of 5 counselors and 8​ teachers, 3 counselors and 2 teachers will be selected to attend a conference. In how many ways can the selection be​ made? A.
38
B.
3360
C.
280
D.
240

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

This question awards 100 ! i really don’t want to fail i will also mark you !

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?