Parallel, orthogonal, or neither. u = < -1,3> , v = < -9,-3> show work will give brainliest to whoever gives right answer with work

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Draw a scaled copy of the circle using a scale factor of 2

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal