Simplify 8 over negative 3 divided by negative 4 over 9 . (5 points) Group of answer choices

8

−6

−8

6

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?