If tan(theta+alpha)/tan(theta+bita) =a/b then show that a+b/a-b sin²(alpha-bita)=sin²(theta+alpha)- sin²(theta+bita)

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?