One store had a 40% off sale. Another store had a 1/3 off sale. Which one had a better deal? How much better was it?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b