Solve for the angle of your resultant for vectors a and d mathematically below and show all work in the space provided. a)0,10 angle 90 and 9,0 angle 0 d)7,7 angle 45 and 8, -6 angle -37 show 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! ❤

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Rounded to the nearest tenth, what is the value of x