P (8,4) is a point on a circle, centre O. The tangent at P intersects the axes at points A and B.
a) Find the gradient, m, of the tangent.

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

How many ordered pairs of positive integers satisfy xy=32?