Rene is 6 years older than her younger sister. After 1 0 years, the sum of their ages will be 50 years. Find their present ages. $a_{b}$...
y= -x^2+4
10dt+6td+3dt
a/(ax - 1) + b/(bx - 1)
= +b n1a
10bp+7-3pb+8
7+9/11
find x : y :z and x : z if
x:y =2/3:1,y:z=3/4:1/2
5gty+6tyg+gt
find the angle which chord x+y-1=0 of the conic x^2+2xy+3y^2-2x-4=0 substends at origin.
6+2/8