Answer:
15x-45+7
Step-by-step explanation:
You would add the 10x and the 5x im pretty sure that would simplify it

Cross multiply:

Divide by h on both sides:
Answer:
the answer is X<5/3 correct me if i'm wrong
Step-by-step explanation:
hope this helps
Answer:
87
Step-by-step explanation:
Because in that set of data 85 and 89 are in the middle so you have to find the number between 85 and 89 and it is 87