Mary works from 5: 00 pm to 8: 30 pm on wednesday and thursday and from 9: 00 am to 3: 30 pm on saturday and sundays . how many hours does mary work per week

Can someone me do math because i am having a breakdown rn because i don’t get it

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.