What is 73+48.7 show how you got the answer

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

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