Abag contains n counters.
one counter is blue and the rest are red.

two counters are taken at random from the bag.

express, in terms of n, the probability that a counter of each colour is taken.
give your answer as a fraction in its simplest form.

At which value in the domain does f(x) =0?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

The quadratic function h(t)=-16.1t^2+150 choose the graph representation