Like terms are terms whose variables are the same. In this case, 7 and 2 have no coefficients therefore are like terms. For example, 7x and 2x would both be like terms because they have the same coefficient which is x.
The slope of the trail would be 18. hope it helps
Answer:
3 + 2 · h = 3 + 2h
Men: 132
Women: 90
Children: 36
Total: 258
