How are the ratios 45 cycles:1 min and 405 cycles:9 min alike? How are they different? 1)not rate or rate?
2)not equivalent or equivalent?
3)not a unit rate or a unit rate?
4)a unit rate or not a unit rate?

since the airplane is moving with constant speed then the distance travelled can be calculated by x=u*t

in km/h would be:

x=640*3.5=2.240 km

in m/s would be:

u=640 km/h= 640.000 m/h =640.000/ 3600 m/s =177.8 m/s

t= 3.5 h= 3.5 * 3600 s=12.600 s

then x=u*t= 177.8*12.600= 2.240.280 m

a 270° rotation about point p says on e d g e n u it y (had to space it out because it says it's a misspelling so i couldn't submit it