Lucy knows his friend was born in march but doesn't know what day! what is the likelihood that lucy's friend will be born on march 15th? (march has 31 days)

Name the most appropriate metric unit for each measurement like a length of an carrot

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a