What you mean is this a question I don’t understand it
Answer:
=5a+7b
Step-by-step explanation:
Expand: 5(a + 2b): 5a + 10b
=5a+10b-3b
<em>Add similar elements: 10b-3b=7b
</em>=5a +7b
Answer:
25.04
Step-by-step explanation:
26.12-1.08
=25.04
the diamiter is the two out side numbers minused by 3.14
100 because you make ten groups of ten and it makes 100 Hope that helped Have a good day! :)