A square based pyramid is 70.56N the pyramid exerts a pressure of 4900N/m2 on the table. Work out the volume of the square based pyramid in cm.
Your must show your working.

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

How do you write something in scientific notation?

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2