Answer:
65
Step-by-step explanation:
35+40+27+42+45+50=249 249+65=315 315/7=45
Even integers are 2 numbers apart: 2,4,6,8,10
to go from one to the next, you add 2
so, to go from 2x-6, you add 2
2x-6 +2
2x-4
Answer:
5 - = 5 - 8 = -3
Step-by-step explanation:
The first mistake made by the student is in Step A where the problem was not copied down correctly.
Answer:
13/12
Step-by-step explanation:
1-2/3+9/12
least common denominator is 12
12/12 - 8/12+9/12
13/12