For each 7 mm of coloured fabric Gavyn uses to make his curtains, he also uses 1 cm of white fabric. Express the amount of white fabric to coloured fabric as a ratio in its simplest form.

Timed***how else can the sequence for row 1 be written? notice: square a: 1 penny = 20 square b: 2 pennies = 21 square c: 4 pennies = 22 the sequence formed is geometric, with a1 = , and common ratio r = .

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

What is the missing step in this proof ?