How many unit tiles need to added to the expression x^2+4x+3 to form the perfect square trinomial?

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work