Step-by-step explanation:
25. (+10)-(-6) = 10+6 = 16
26. (-14)-(+7) = -14-7 = -21
27. (-3)-(-9) = -3+9 = 6
28. 0-(-9) = 0+9 = 9
29. (-3)-(+6) = -3-6 = -9
30. (+8)-(-9) = 8+9 = 17
31. (+13)-(+7) = 13-7 = 6
32. (-6)-(-12) = -6+12 = 6
5x+6y=28,3x+2y=14----------------------------------------------------------
Answer:
Step-by-step explanation:
im lot 100% sure but i think it is 63
The answer is E. y-4=3(x-4)
1000/7 = <span>142.857142857
Because this is not an even number we take "142", then times it by 7 teachers.
142*7= 994
1000 - 994 = 6 Pencils left</span>
