Yaga

Simplify and write with positive exponet (4x^-1)^-1 Work: (1/4x)^-1 (1/(1/4x))(4x/4x)= 1 (X^3+3x^2+3x+1)^-2/3 Work 1/(X^3+3x^2+3x+1)^2/3 1/(X^2+52/25x^4/3+52/25x+1) I'm confused on whether these are right or not can someone check my work or explain to me...

Find K if the lines 3x-5y=9 and 2x+key=11 are a) parallel and b) perpendicular So for A) I have to find the slope, so would I set the x's equal to each other? And from there, I can find B) because the slope is just the reciprocal. I'm just having trouble...

Special factorization I know someone has helped me with this before, but I'm really stuck on how to attack these two problems [(8x^3)/125]+[64/(y^3)] X^2-8xy+16y^2-25

Is it not 8x/5y not 8x/y. I'm only basing this off of what you gave me

Thank you sir!!! And thanks for being awake(unless you're not from the U.S)

THANK YOU

Pretty darn early, and I'm 30 mins away from philly