Let's solve each question:

1. Question 7:
   Current pine trees = 116
   New pine trees = 122
   Total pine trees = 116 + 122 = 238

2. Question 8:
   Jessica's watermelons = 126
   Dan's watermelons = 139
   Total watermelons = 126 + 139 = 265

3. Question 9:
   Initial nickels = 712
   Spent nickels = 362
   Remaining nickels = 712 - 362 = 350

4. Question 10:
   Alyssa's apples = 100
   Mike's apples = 132
   Total apples = 100 + 132 = 232

Would you like further explanation on any of these steps?

Related Questions:

1. If the workers plant 50 more trees, how many will there be in total?
2. If Jessica and Dan's watermelons are divided equally, how many would each have?
3. How many nickels would Keith have if he had 100 more initially?
4. If Alyssa and Mike pick 20 more apples each, what is the new total?
5. If the number of watermelons doubled, what would the new total be?

Tip: For addition or subtraction problems, double-check by reversing the operation to verify accuracy.