3 times 10 is 30, 7 times 10 is 70. There are 30 girls and 70 boys.
Answer:
Step-by-step explanation:
im sry i dont know

We can factorise this expression by grouping. First let us arrange it in this way

Let us bracket them like this:

In the first bracket portion, take x as common and in the second expression, take 2 as common.

<u>Answer</u><u>:</u>

Hope you could understand.
If you have any query, feel free to ask.
I hope it's helpful for u but I am not sure my answer is right !
how long is |MN| when you measure it and do you know anything about the length of |NO| and |OP|?
assuming |MN|= 7.7 ; |NO|= 4.7 ; |MO|= 5.5:
o²= m²+n²
= 4.7²+5.5²
=52.34
o=V52.34
≈7.23