Answer:
Bx3=27 there are 9 blue marbles
Step-by-step explanation:
Answer:
well... uhm...its...uhm... 39.9
Step-by-step explanation:
Thinking 2 hours. Let me know. My bad I thinking to fast.
Answer:
17 cm
Step-by-step explanation:
By Pythagoras Theorem

Like terms are terms that have something in common like an exponent or variable
8. 3a & 16a
9.

&

10.

&

11.

&

&

Try 12 & 13 on your own to see if you get the hang of it - if you want me to check it ; put your answer in the comment section of my answer :))) I believe in you .