Agreenhouse grew tomato plants. it sold 276 tomato plants amd 307 roses. there are 187 tomato plants left. how ma3y tomato plants did the greenhouse originally grow? explain which numbers and operation you used *side note* this is 3rd grade math

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.