Urgent. Factor the GCF from the Polynomial. 12x^8+16x^9-28x^5+20. Please show work.

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?