Sara and her brother Jacob both open savings accounts. Each begins with a balance of zero dollars. For every two dollars that Sara saves in her account, her brother saves five dollars in his account. a. Determine a ratio to describe the money in Sara’s account to the money in her brother’s account. (b) b. Record an equivalent ratio to your answer from part (a).

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.