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.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

What is the equation in slope-intercept form of the linear function represented by the table? y -18 -1 -8 4 2 912 o y=-2x-6 o y=-2x+6 o y=2x-6 o y = 2x+6

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?