Answer:
4a + 3b
Step-by-step explanation:
3a + a + 5b - 2b
3a + s = 4a
5b - 2b = 3b
<em><u>4a + 3b</u></em>
Answer:12cm
Step-by-step explanation:3+3+3+3 because its 3x3 so their is 3cm on each side
you find what they both divide by and then divide each one and then you keep doing that until you cant no more
