Answer:
x = 4
Step-by-step explanation:
3x + 12
x = 12/3
x = 4
Therefore the final answer is 4
Answer:
For 7a its C i think And for 7b is 3:2
Step-by-step explanation:
hope this helps
Answer:
9sqrd= 81
12sprd= 144
144+81= 225
= 15
so c=15
ps. use Pythagoras to help you.
Answer:
first one is 23
second is 20
Step-by-step explanation:
The answer will be x = 8.
I hope this helps you! :)