Find the valué of (3x10^4)+(2x10^2)+(4x10)

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

What is the reflection image of (5,-3) across the line y = -x?

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! ❤