Melissa wrote this expression to describe the number of pencils she used during the school year. 15-p Which situation could be d
escribed by this expression? A. Melissa knows she used 15 fewer pencils this year. She does not know how many she used last year. B. Melissa knows she has 15 pencils left. She doesn't know how many she started with. C. Melissa knows that she started with 15 pencils. She does not know how many pencils she used. D. Melissa knows she has 15 pencils left. She used half of her pencils.plzz plzz plzz awnser fast 14 points
The answer is C. Melissa knows she has 15 pencils. She does not know how many pencils she used because p is the number of pencils that she used and she does not know how many is it :))) i hope this is helpful have a nice day
If it is in the first quadrant the reference angle is the standard angle, if it is the second quadrant subtract by 180, if it is in the third quadrant use the terminal angle - 180 and the fourth quadrant subtract by 360