Answer:
21
Step-by-step explanation:
Subtract 7 from both sides to get the answer.
All you need to do is divide 2.25 by 2!
The answer is 1.125!
I hope this helps! :)
Answer:
Step-by-step explanation:
94.6
Answer:

Step-by-step explanation:
we know that
---> by addition angle postulate
we have
----> given problem
----> given problem
substitute in the expression above

Divide by 2 both sides
