Is 17/5 rational or irrational

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

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

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)