There are 11 counters in a bag. 8 of the counters are green.
3 of the counters are blue.

Sid takes at random two counters from the bag.
Work out the probability that Sid takes one counter of each colour.

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0