What is 7n - 2 - 9n + 5? Pls help

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Which of the following three dimensional figures has a circle as it’s base

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