Answer: this is the answer to your question look at the picture
Step-by-step explanation:
Dont know what to say but if u really need an answer i would say 1\4
Note the equal sign. What you do to one side, you do to the other. Isolate the a.
Add 4 to both sides
a- 4 (+4) = 15 (+4)
a = 15 + 4
a = 19
19 is your answer for a
hope this helps
Answer:
what is the question ? Volume or surface area???