Someone is the age of 550 more than (97x90)+(2+0)+(1x4)+(9+14). How old is he?

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

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

Don't know how to find x given these segment lengths