Please answer Mark you brainliest
Are this monomials
1. 2s -9t
2. 6m^2+7n
3. 2/3xy^3z

Simplify the expression
2^-1x^-3/ y^8
Find the area of the circle

answer: for each 3 girls there is 2 boys . 3: 2

hope this ! (:   mark me as brainliest if you can

what was there favorite food

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.