PLEASE HELP! Which of the following expressions are equivalent to (x+y) - (-z)? A) (x+y)-z

B)x+(y+z)

C) none of the above

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

8.74 rounded to the nearest whole number

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.