Plzz DO IT ASAPP
Find the mean proportion between CD and DA.

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)