For each 11 mm of coloured fabric June uses to make her curtains, she also uses 1 cm of white fabric. Express the amount of white fabric to coloured fabric as a ratio in its simplest form.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Plz hurry evaluate the expression a+b where a=8 and b=19

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.